Aharon Kapitulnik
Theodore and Sydney Rosenberg Professor of Applied Physics and Professor of Physics
Web page: http://web.stanford.edu/people/aharonk
Bio
Aharon Kapitulnik is the Theodore and Sydney Rosenberg Professor in Applied Physics at the Departments of Applied Physics and Physics at Stanford University. His research focuses on experimental condensed matter physics, while opportunistically, also apply his methods to tabletop experimental studies of fundamental phenomena in physics. His recent studies cover a broad spectrum of phenomena associated with the behavior of correlated and disordered electron systems, particularly in reduced dimensions, and the development of effective instrumentation to detect subtle signatures of physical phenomena.
Among other recognitions, his activities earned him the Alfred P. Sloan Fellowship (1986-90), a Presidential Young Investigator Award (1987-92), a Sackler Scholar at Tel-Aviv University (2006), the Heike Kamerlingh Onnes Prize for Superconductivity Experiment (2009), a RTRA (Le Triangle de la Physique) Senior Chair (2010), and the Oliver Buckley Condensed Matter Prize of the American Physical Society (2015). Aharon Kapitulnik is a Fellow of the American Physical Society, a Fellow of the American Academy of Arts and Sciences, a Fellow of the American Association for the Advancement of Science and a member of the National Academy of Sciences. Kapitulnik holds a Ph.D. in Physics from Tel-Aviv University (1984).
Academic Appointments
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Professor, Applied Physics
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Professor, Physics
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Principal Investigator, Stanford Institute for Materials and Energy Sciences
Administrative Appointments
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Chair, Department of Applied Physics, Stanford University (2005 - 2010)
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Deputy Director, Laboratory for Advanced materials, Stanford University (2000 - 2002)
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Visiting Professor, The Hebrew University of Jerusalem, Israel (2000 - 2001)
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Director, center for Materials Research, Stanford University (1999 - 2000)
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Chair, Department of Applied Physics, Stanford University (1996 - 1999)
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Professor of Applied Physics and Physics, Stanford University (1994 - Present)
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Visiting Professor, Ecole Normale Superieure, Paris, and U. of Paris XI, Orsay (1992 - 1992)
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Associate Professor of Applied Physics and Physics, Stanford University (1990 - 1994)
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Assistant Professor of Applied Physics, Stanford University (1985 - 1990)
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Assistant Professor in Residence, UC Santa Barbara (1985 - 1985)
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Associate Member, Institute for Theoretical Physics, UC Santa Barbara (1983 - 1984)
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Weizmann postdoctoral Fellow, Department of Physics, UC Santa Barbara (1983 - 1984)
Honors & Awards
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Elected Fellow, American Association for the Advancement of Science (2022)
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Elected member, National Academy of Science (2015)
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The 2015 Oliver E. Buckley Condensed Matter Physics Prize., American Physical Society (2015)
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EPIQS Experimental Investigator Award, Moore Foundation (2014)
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The Yuval Ne'eman Memorial Lecture, Tel Aviv University, Israel (2014)
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Einstein Colloquium, Weizmann Institute of Science, Israel (2012)
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Senior Chair, Le Triangle de la Physique, (Polytechnique-Orsay-Saclay), France (2011-2014)
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Alexander von Humboldt Research Award, Alexander von Humboldt Foundation, Germany (2011)
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Elected Fellow, American Academy of Arts and Sciences (2009)
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Heike Kamerlingh Onnes Prize for Outstanding Superconductivity Experiments, International Award (2009)
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Colloquium Pierre et Marie CURIE, Paris, France (2007)
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Sackler Professor by Special Appointment, School of Physics and astronomy, Tel-Aviv University, Israel (2006-2015)
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Niels-Bohr lecture, The Niels Bohr Institute, Copenhagen, Denmark (2000)
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Distinguished Lecturer in Materials Physics, Penn State University (1994)
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Elected Fellow, American Physical Society (1994)
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Presidential Young Investigator Award, National Science Foundation (1987-1992)
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Alfred P. Sloan Fellow, Alfred P. Sloan Foundation (1986-1990)
Boards, Advisory Committees, Professional Organizations
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Member, National Academy of Sciences' Committee on Condensed Matter and Materials Research (CCMR) (2016 - 2022)
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Member of Scientific Advisory Board, Conductus Inc., Sunnyvale, CA (1987 - 1996)
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Member of Executive Committee, DCMP, American Physical Society (2008 - 2011)
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Member, Governing Body of the Raymond and Beverly Sackler Institute of Solid State Physics., Tel-Aviv University, Israel. (2007 - Present)
Professional Education
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Ph.D, Tel Aviv University, Israel, Physics (1984)
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B.Sc, Tel Aviv University, Israel, Physics (1978)
2024-25 Courses
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Independent Studies (4)
- Curricular Practical Training
APPPHYS 291 (Aut, Win, Spr) - Directed Studies in Applied Physics
APPPHYS 290 (Aut, Win, Spr) - Independent Research and Study
PHYSICS 190 (Aut, Win, Spr) - Research
PHYSICS 490 (Aut, Win, Spr)
- Curricular Practical Training
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Prior Year Courses
2023-24 Courses
- Phenomenology of Superconductors
APPPHYS 280 (Win) - Solid State Physics
APPPHYS 272, PHYSICS 172 (Spr)
2022-23 Courses
- Solid State Physics
APPPHYS 272, PHYSICS 172 (Spr)
2021-22 Courses
- Condensed Matter Seminar
APPPHYS 470 (Aut, Win, Spr) - Solid State Physics
APPPHYS 272, PHYSICS 172 (Spr)
- Phenomenology of Superconductors
Stanford Advisees
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Doctoral Dissertation Reader (AC)
Kaan Yay -
Postdoctoral Faculty Sponsor
Eylon Persky -
Doctoral Dissertation Advisor (AC)
Isaiah Curtis, David Saykin -
Doctoral (Program)
Benito Gonzalez, Yingfei Li, Beicheng Lou, Maya Martinez, Stefania Moroianu, Ben Sorscher, Praveen Sriram, Fenghao Xu -
Postdoctoral Research Mentor
Qianni Jiang
All Publications
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Emergent tetragonality in a fundamentally orthorhombic material.
Science advances
2024; 10 (21): eadk3321
Abstract
Symmetry plays a key role in determining the physical properties of materials. By Neumann's principle, the properties of a material remain invariant under the symmetry operations of the space group to which the material belongs. Continuous phase transitions are associated with a spontaneous reduction in symmetry. Less common are examples where proximity to a continuous phase transition leads to an increase in symmetry. We find signatures of an emergent tetragonal symmetry close to a charge density wave (CDW) bicritical point in a fundamentally orthorhombic material, ErTe3, for which the two distinct CDW phase transitions are tuned via anisotropic strain. We first establish that tension along the a axis favors an abrupt rotation of the CDW wave vector from the c to a axis and infer the presence of a bicritical point where the two continuous phase transitions meet. We then observe a divergence of the nematic elastoresistivity approaching this putative bicritical point, indicating an emergent tetragonality in the critical behavior.
View details for DOI 10.1126/sciadv.adk3321
View details for PubMedID 38781340
View details for PubMedCentralID PMC11114214
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Emergent Z2 symmetry near a charge density wave multicritical point
PHYSICAL REVIEW B
2023; 108 (20)
View details for DOI 10.1103/PhysRevB.108.205141
View details for Web of Science ID 001112328100006
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High Resolution Polar Kerr Effect Studies of CsV_{3}Sb_{5}: Tests for Time-Reversal Symmetry Breaking below the Charge-Order Transition.
Physical review letters
2023; 131 (1): 016901
Abstract
We report high resolution polar Kerr effect measurements on CsV_{3}Sb_{5} single crystals in search of signatures of spontaneous time-reversal symmetry breaking below the charge-order transition at T^{*}≈94 K. Utilizing two different versions of zero-area loop Sagnac interferometers operating at 1550 nm wavelength, each with the fundamental attribute that without a time-reversal symmetry breaking sample at its path, the interferometer is perfectly reciprocal, we find no observable Kerr effect to within the noise floor limit of the apparatus at 30 nanoradians. Simultaneous coherent reflection ratio measurements confirm the sharpness of the charge-order transition in the same optical volume as the Kerr measurements. At finite magnetic field we observe a sharp onset of a diamagnetic shift in the Kerr signal at T^{*}, which persists down to the lowest temperature without change in trend. Since 1550 nm is an energy that was shown to capture all features of the optical properties of the material that interact with the charge-order transition, we are led to conclude that it is highly unlikely that time-reversal symmetry is broken in the charge ordered state in CsV_{3}Sb_{5}.
View details for DOI 10.1103/PhysRevLett.131.016901
View details for PubMedID 37478434
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Anomalous metals: From "failed superconductor" to "failed insulator".
Proceedings of the National Academy of Sciences of the United States of America
2022; 119 (29): e2202496119
Abstract
Resistivity saturation is found on both superconducting and insulating sides of an "avoided" magnetic-field-tuned superconductor-to-insulator transition (H-SIT) in a two-dimensional In/InOx composite, where the anomalous metallic behavior cuts off conductivity or resistivity divergence in the zero-temperature limit. The granular morphology of the material implies a system of Josephson junctions (JJs) with a broad distribution of Josephson coupling EJ and charging energy EC, with an H-SIT determined by the competition between EJ and EC. By virtue of self-duality across the true H-SIT, we invoke macroscopic quantum tunneling effects to explain the temperature-independent resistance where the "failed superconductor" side is a consequence of phase fluctuations and the "failed insulator" side results from charge fluctuations. While true self-duality is lost in the avoided transition, its vestiges are argued to persist, owing to the incipient duality of the percolative nature of the dissipative path in the underlying random JJ system.
View details for DOI 10.1073/pnas.2202496119
View details for PubMedID 35858313
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Observation of broken inversion and chiral symmetries in the pseudogap phase in single- and double-layer bismuth-based cuprates
PHYSICAL REVIEW B
2022; 105 (15)
View details for DOI 10.1103/PhysRevB.105.155103
View details for Web of Science ID 000804986900006
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Interplay between magnetism and superconductivity in UTe2
PHYSICAL REVIEW B
2022; 105 (2)
View details for DOI 10.1103/PhysRevB.105.024521
View details for Web of Science ID 000754031000002
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Superconductor-insulator transitions in three-dimensional indium-oxide at high pressures.
Journal of physics. Condensed matter : an Institute of Physics journal
1800
Abstract
Experiments investigating magnetic-field-tuned superconductor-insulator transition (HSIT) mostly focus on two-dimensional material systems where the transition and its proximate ground-state phases, often exhibit features that are seemingly at odds with the expected behavior. Here we present a complementary study of a three-dimensional pressure-packed amorphous indium-oxide (InOx) powder where granularity controls the HSIT. Above a low threshold pressure of ~0.2 GPa, vestiges of superconductivity are detected, although neither a true superconducting transition nor insulating behavior are observed. Instead, a saturation at very high resistivity at low pressure is followed by saturation at very low resistivity at higher pressure. We identify both as different manifestations of anomalous metallic phases dominated by superconducting fluctuations. By analogy with previous identification of the low resistance saturation as a "failed superconductor", our data suggests that the very high resistance saturation is a manifestation of a "failed insulator". Above a threshold pressure of ~6 GPa, the sample becomes fully packed, and superconductivity is robust, with TC tunable with pressure. A quantum critical point at PC~25 GPa marks the complete suppression of superconductivity. For a finite pressure below PC, a magnetic field is shown to induce a HSIT from a true zero-resistance superconducting state to a weakly insulating behavior. Determining the critical field, HC, we show that similar to the 2D behavior, the insulating-like state maintains a superconducting character, which is quenched at higher field, above which the magnetoresistance decreases to its fermionic normal state value.
View details for DOI 10.1088/1361-648X/ac48bf
View details for PubMedID 34991085
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Emergence of ferromagnetism through the metal-insulator transition in undoped indium tin oxide films
PHYSICAL REVIEW MATERIALS
2021; 5 (12)
View details for DOI 10.1103/PhysRevMaterials.5.125201
View details for Web of Science ID 000729207700003
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Nanoscale Turing patterns in a bismuth monolayer
NATURE PHYSICS
2021
View details for DOI 10.1038/s41567-021-01288-y
View details for Web of Science ID 000670855600004
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Robust anomalous metallic states and vestiges of self-duality in two-dimensional granular In-InOx composites
NPJ QUANTUM MATERIALS
2021; 6 (1)
View details for DOI 10.1038/s41535-021-00329-2
View details for Web of Science ID 000631560800003
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Universal Bound to the Amplitude of the Vortex Nernst Signal in Superconductors.
Physical review letters
2021; 126 (7): 077001
Abstract
A liquid of superconducting vortices generates a transverse thermoelectric response. This Nernst signal has a tail deep in the normal state due to superconducting fluctuations. Here, we present a study of the Nernst effect in two-dimensional heterostructures of Nb-doped strontium titanate (STO) and in amorphous MoGe. The Nernst signal generated by ephemeral Cooper pairs above the critical temperature has the magnitude expected by theory in STO. On the other hand, the peak amplitude of the vortex Nernst signal below T_{c} is comparable in both and in numerous other superconductors despite the large distribution of the critical temperature and the critical magnetic fields. In four superconductors belonging to different families, the maximum Nernst signal corresponds to an entropy per vortex per layer of ≈k_{B}ln2.
View details for DOI 10.1103/PhysRevLett.126.077001
View details for PubMedID 33666461
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Universal Bound to the Amplitude of the Vortex Nernst Signal in Superconductors
PHYSICAL REVIEW LETTERS
2021; 126 (7)
View details for DOI 10.1103/PhysRevLett.126.077001
View details for Web of Science ID 000618650100006
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Superconductor-insulator transition in two-dimensional indium-indium-oxide composite.
Proceedings of the National Academy of Sciences of the United States of America
2021; 118 (2)
Abstract
The magnetic-field-tuned superconductor-to-insulator transition was studied in a hybrid system of superconducting indium islands, deposited on an indium oxide (InOx) thin film, which exhibits global superconductivity at low magnetic fields. Vacuum annealing was used to tune the conductivity of the InOx film, thereby tuning the inergrain coupling and the nature of the transition. The hybrid system exhibits a "giant" magnetoresistance above the magnetic-field-tuned superconductor-to-insulator transition (H-SIT), with critical behavior similar to that of uniform InOx films but at much lower magnetic fields, that manifests the duality between Cooper pairs and vortices. A key feature of this hybrid system is the separation between the quantum criticality and the onset of nonequilibrium behavior.
View details for DOI 10.1073/pnas.2015970118
View details for PubMedID 33380458
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Robust superconductivity intertwined with charge density wave and disorder in Pd-intercalated ErTe3
PHYSICAL REVIEW RESEARCH
2020; 2 (4)
View details for DOI 10.1103/PhysRevResearch.2.043221
View details for Web of Science ID 000605409000004
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Sample shape and boundary dependence of measured transverse thermal properties
JOURNAL OF APPLIED PHYSICS
2020; 128 (17)
View details for DOI 10.1063/5.0024253
View details for Web of Science ID 000589711700001
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A cantilever torque magnetometry method for the measurement of Hall conductivity of highly resistive samples
REVIEW OF SCIENTIFIC INSTRUMENTS
2020; 91 (4)
View details for DOI 10.1063/1.5143451
View details for Web of Science ID 000524512500001
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A cantilever torque magnetometry method for the measurement of Hall conductivity of highly resistive samples.
The Review of scientific instruments
2020; 91 (4): 045001
Abstract
We present the first measurements of Hall conductivity utilizing a torque magnetometry method. A Corbino disk exhibits a magnetic dipole moment proportional to Hall conductivity when voltage is applied across a test material. This magnetic dipole moment can be measured through torque magnetometry. The symmetry of this contactless technique allows for the measurement of Hall conductivity in previously inaccessible materials. Finally, we calculate a low-temperature noise bound, demonstrate the lack of systematic errors, and measure the Hall conductivity of sputtered indium tin oxide.
View details for DOI 10.1063/1.5143451
View details for PubMedID 32357748
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Disorder-induced suppression of charge density wave order: STM study of Pd-intercalated ErTe3
PHYSICAL REVIEW B
2019; 100 (23)
View details for DOI 10.1103/PhysRevB.100.235446
View details for Web of Science ID 000504445200004
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Thermal diffusivity above the Mott-Ioffe-Regel limit
PHYSICAL REVIEW B
2019; 100 (24)
View details for DOI 10.1103/PhysRevB.100.241114
View details for Web of Science ID 000504446200001
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Thermalization and possible signatures of quantum chaos in complex crystalline materials.
Proceedings of the National Academy of Sciences of the United States of America
2019
Abstract
Analyses of thermal diffusivity data on complex insulators and on strongly correlated electron systems hosted in similar complex crystal structures suggest that quantum chaos is a good description for thermalization processes in these systems, particularly in the high-temperature regime where the many phonon bands and their interactions dominate the thermal transport. Here we observe that for these systems diffusive thermal transport is controlled by a universal Planckian timescale [Formula: see text] and a unique velocity [Formula: see text] Specifically, [Formula: see text] for complex insulators, and [Formula: see text] in the presence of strongly correlated itinerant electrons ([Formula: see text] and [Formula: see text] are the phonon and electron velocities, respectively). For the complex correlated electron systems we further show that charge diffusivity, while also reaching the Planckian relaxation bound, is largely dominated by the Fermi velocity of the electrons, hence suggesting that it is only the thermal (energy) diffusivity that describes chaos diffusivity.
View details for DOI 10.1073/pnas.1910131116
View details for PubMedID 31515452
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Colloquium: Anomalous metals: Failed superconductors
REVIEWS OF MODERN PHYSICS
2019; 91 (1)
View details for DOI 10.1103/RevModPhys.91.011002
View details for Web of Science ID 000456795800001
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A lower bound to the thermal diffusivity of insulators.
Journal of physics. Condensed matter : an Institute of Physics journal
2019
Abstract
It has been known for decades that thermal conductivity of insulating crystals becomes proportional to the inverse of temperature when the latter is comparable to, or higher than, the Debye temperature. This behavior has been understood as resulting from Umklapp scattering among phonons. We put under scrutiny the magnitude of the thermal diffusion constant in this regime and find that it does not fall below a threshold set by the square of sound velocity times the Planckian time ($\tau_p=\hbar/k_BT$). The conclusion, based on scrutinizing the ratio in cubic crystals with high thermal resistivity, appears to hold even in glasses where Umklapp events are not conceivable. Explaining this boundary, reminiscent of a recently-noticed limit for charge transport in metals, is a challenge to theory.
View details for DOI 10.1088/1361-648X/ab2db6
View details for PubMedID 31252425
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Two-stage proximity-induced gap opening in topological-insulator-insulating-ferromagnet (BixSb1-x)(2)Te-3-EuS bilayers
PHYSICAL REVIEW B
2018; 98 (8)
View details for DOI 10.1103/PhysRevB.98.081403
View details for Web of Science ID 000441234900002
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Bursting at the seams: Rippled monolayer bismuth on NbSe2
SCIENCE ADVANCES
2018; 4 (4): eaaq0330
Abstract
Bismuth, one of the heaviest semimetals in nature, ignited the interest of the materials physics community for its potential impact on topological quantum material systems that use its strong spin-orbit coupling and unique orbital hybridization. In particular, recent theoretical predictions of unique topological and superconducting properties of thin bismuth films and interfaces prompted intense research on the growth of submonolayers to a few monolayers of bismuth on different substrates. Similar to bulk rhombohedral bismuth, the initial growth of bismuth films on most substrates results in buckled bilayers that grow in either the (111) or (110) directions, with a lattice constant close to that of bulk Bi. By contrast, we show a new growth pattern for bismuth monolayers on NbSe2. We find that the initial growth of Bi can form a strongly bonded commensurate layer, resulting in a compressively strained two-dimensional (2D) triangular lattice. We also observed unique pattern of 1D ripples and domain walls is observed. The single layer of bismuth also introduces strong marks on the electronic properties at the surface.
View details for PubMedID 29662952
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Particle-hole symmetry reveals failed superconductivity in the metallic phase of two-dimensional superconducting films.
Science advances
2017; 3 (9): e1700612
Abstract
Electrons confined to two dimensions display an unexpected diversity of behaviors as they are cooled to absolute zero. Noninteracting electrons are predicted to eventually "localize" into an insulating ground state, and it has long been supposed that electron correlations stabilize only one other phase: superconductivity. However, many two-dimensional (2D) superconducting materials have shown surprising evidence for metallic behavior, where the electrical resistivity saturates in the zero-temperature limit; the nature of this unexpected metallic state remains under intense scrutiny. We report electrical transport properties for two disordered 2D superconductors, indium oxide and tantalum nitride, and observe a magnetic field-tuned transition from a true superconductor to a metallic phase with saturated resistivity. This metallic phase is characterized by a vanishing Hall resistivity, suggesting that it retains particle-hole symmetry from the disrupted superconducting state.
View details for DOI 10.1126/sciadv.1700612
View details for PubMedID 28929135
View details for PubMedCentralID PMC5600526
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Proceedings of the National Academy of Sciences of the United States of America
2017; 114 (21): 5378-5383
Abstract
The thermal diffusivity in the [Formula: see text] plane of underdoped YBCO crystals is measured by means of a local optical technique in the temperature range of 25-300 K. The phase delay between a point heat source and a set of detection points around it allows for high-resolution measurement of the thermal diffusivity and its in-plane anisotropy. Although the magnitude of the diffusivity may suggest that it originates from phonons, its anisotropy is comparable with reported values of the electrical resistivity anisotropy. Furthermore, the anisotropy drops sharply below the charge order transition, again similar to the electrical resistivity anisotropy. Both of these observations suggest that the thermal diffusivity has pronounced electronic as well as phononic character. At the same time, the small electrical and thermal conductivities at high temperatures imply that neither well-defined electron nor phonon quasiparticles are present in this material. We interpret our results through a strongly interacting incoherent electron-phonon "soup" picture characterized by a diffusion constant [Formula: see text], where [Formula: see text] is the soup velocity, and scattering of both electrons and phonons saturates a quantum thermal relaxation time [Formula: see text].
View details for DOI 10.1073/pnas.1703416114
View details for PubMedID 28484003
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Anomalous thermal diffusivity in underdoped YBa2Cu3O6+x
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
2017; 114 (21): 5378-5383
View details for DOI 10.1073/pnas.1703416114
View details for Web of Science ID 000401797800039
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Self-duality and a Hall-insulator phase near the superconductor-to-insulator transition in indium-oxide films.
Proceedings of the National Academy of Sciences of the United States of America
2016; 113 (2): 280-5
Abstract
We combine measurements of the longitudinal (ρxx) and Hall (ρxy) resistivities of disordered 2D amorphous indium-oxide films to study the magnetic-field tuned superconductor-to-insulator transition (H-SIT) in the T --> 0 limit. At the critical field, Hc, the full resistivity tensor is T independent with ρxx(Hc) = h/4e(2) and ρxy(Hc) = 0 within experimental uncertainty in all films (i.e., these appear to be "universal" values); this is strongly suggestive that there is a particle-vortex self-duality at H = Hc. The transition separates the (presumably) superconducting state at H < Hc from a "Hall-insulator" phase in which ρxx --> ∞ as T --> 0 whereas ρxy approaches a nonzero value smaller than its "classical value" H/nec; i.e., 0 < ρxy < H/nec. A still higher characteristic magnetic field, Hc* > Hc, at which the Hall resistance is T independent and roughly equal to its classical value, ρxy ≈ H/nec, marks an additional crossover to a high-field regime (probably to a Fermi insulator) in which ρxy > H/nec and possibly diverges as T --> 0. We also highlight a profound analogy between the H-SIT and quantum-Hall liquid-to-insulator transitions (QHIT).
View details for DOI 10.1073/pnas.1522435113
View details for PubMedID 26712029
View details for PubMedCentralID PMC4720312
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Self-duality and a Hall-insulator phase near the superconductor-to-insulator transition in indium-oxide films
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
2016; 113 (2): 280-285
Abstract
We combine measurements of the longitudinal (ρxx) and Hall (ρxy) resistivities of disordered 2D amorphous indium-oxide films to study the magnetic-field tuned superconductor-to-insulator transition (H-SIT) in the T --> 0 limit. At the critical field, Hc, the full resistivity tensor is T independent with ρxx(Hc) = h/4e(2) and ρxy(Hc) = 0 within experimental uncertainty in all films (i.e., these appear to be "universal" values); this is strongly suggestive that there is a particle-vortex self-duality at H = Hc. The transition separates the (presumably) superconducting state at H < Hc from a "Hall-insulator" phase in which ρxx --> ∞ as T --> 0 whereas ρxy approaches a nonzero value smaller than its "classical value" H/nec; i.e., 0 < ρxy < H/nec. A still higher characteristic magnetic field, Hc* > Hc, at which the Hall resistance is T independent and roughly equal to its classical value, ρxy ≈ H/nec, marks an additional crossover to a high-field regime (probably to a Fermi insulator) in which ρxy > H/nec and possibly diverges as T --> 0. We also highlight a profound analogy between the H-SIT and quantum-Hall liquid-to-insulator transitions (QHIT).
View details for DOI 10.1073/pnas.1522435113
View details for Web of Science ID 000367881500032
View details for PubMedCentralID PMC4720312
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Notes on constraints for the observation of Polar Kerr Effect in complex materials
PHYSICA B-CONDENSED MATTER
2015; 460: 151-158
View details for DOI 10.1016/j.physb.2014.1.1.059
View details for Web of Science ID 000350808300032
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A scanning, all-fiber Sagnac interferometer for high resolution magneto-optic measurements at 820 nm
REVIEW OF SCIENTIFIC INSTRUMENTS
2014; 85 (10)
Abstract
The Sagnac Interferometer has historically been used for detecting non-reciprocal phenomena, such as rotation. We demonstrate an apparatus in which this technique is employed for high resolution measurements of the Magneto-Optical Polar Kerr effect-a direct indicator of magnetism. Previous designs have incorporated free-space components which are bulky and difficult to align. We improve upon this technique by using all fiber-optic coupled components and demonstrate operation at a new wavelength, 820 nm, with which we can achieve better than 1 μrad resolution. Mounting the system on a piezo-electric scanner allows us to acquire diffraction limited images with 1.5 μm spatial resolution. We also provide extensive discussion on the details and of the Sagnac Interferometer's construction.
View details for DOI 10.1063/1.4897184
View details for Web of Science ID 000344594200038
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A scanning, all-fiber Sagnac interferometer for high resolution magneto-optic measurements at 820 nm.
Review of scientific instruments
2014; 85 (10): 103707-?
Abstract
The Sagnac Interferometer has historically been used for detecting non-reciprocal phenomena, such as rotation. We demonstrate an apparatus in which this technique is employed for high resolution measurements of the Magneto-Optical Polar Kerr effect-a direct indicator of magnetism. Previous designs have incorporated free-space components which are bulky and difficult to align. We improve upon this technique by using all fiber-optic coupled components and demonstrate operation at a new wavelength, 820 nm, with which we can achieve better than 1 μrad resolution. Mounting the system on a piezo-electric scanner allows us to acquire diffraction limited images with 1.5 μm spatial resolution. We also provide extensive discussion on the details and of the Sagnac Interferometer's construction.
View details for DOI 10.1063/1.4897184
View details for PubMedID 25362403
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Pulsed laser deposition of high-quality thin films of the insulating ferromagnet EuS
APPLIED PHYSICS LETTERS
2014; 104 (8)
View details for DOI 10.1063/1.4866265
View details for Web of Science ID 000332619100071
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Weak localization effects as evidence for bulk quantization in Bi2Se3 thin films
PHYSICAL REVIEW B
2013; 88 (12)
View details for DOI 10.1103/PhysRevB.88.121103
View details for Web of Science ID 000324397600001
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Observation of the ghost critical field for superconducting fluctuations in a disordered TaN thin film
PHYSICAL REVIEW B
2013; 88 (10)
View details for DOI 10.1103/PhysRevB.88.104510
View details for Web of Science ID 000324235400004
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Emerging weak localization effects on a topological insulator-insulating ferromagnet (Bi2Se3-EuS) interface
PHYSICAL REVIEW B
2013; 88 (8)
View details for DOI 10.1103/PhysRevB.88.081407
View details for Web of Science ID 000323706600002
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Weak antilocalization and disorder-enhanced electron interactions in annealed films of the phase-change compound GeSb2Te4
PHYSICAL REVIEW B
2012; 86 (20)
View details for DOI 10.1103/PhysRevB.86.205302
View details for Web of Science ID 000310684900010
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High quality ultrathin Bi2Se3 films on CaF2 and CaF2/Si by molecular beam epitaxy with a radio frequency cracker cell
APPLIED PHYSICS LETTERS
2012; 101 (15)
View details for DOI 10.1063/1.4758466
View details for Web of Science ID 000310304900063
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Charge and spin collective modes in a quasi-one-dimensional model of Sr2RuO4
PHYSICAL REVIEW B
2012; 86 (6)
View details for DOI 10.1103/PhysRevB.86.064525
View details for Web of Science ID 000308002400009
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Hall conductivity dominated by fluctuations near the superconducting transition in disordered thin films
PHYSICAL REVIEW B
2012; 86 (1)
View details for DOI 10.1103/PhysRevB.86.014514
View details for Web of Science ID 000306408000005
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Hidden Quasi-One-Dimensional Superconductivity in Sr2RuO4
PHYSICAL REVIEW LETTERS
2010; 105 (13)
Abstract
We show that the interplay between spin and charge fluctuations in Sr₂RuO₄ leads unequivocally to triplet pairing which has a hidden quasi-one-dimensional character. The resulting superconducting state spontaneously breaks time-reversal symmetry and is of the form Δ ~(p(x)+ip(y))z(^) with sharp gap minima and a d vector that is only weakly pinned. The superconductor lacks robust chiral Majorana fermion modes along the boundary. The absence of topologically protected edge modes could explain the surprising absence of experimentally detectable edge currents in this system.
View details for DOI 10.1103/PhysRevLett.105.136401
View details for Web of Science ID 000282054100009
View details for PubMedID 21230791
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Polar Kerr effect as probe for time-reversal symmetry breaking in unconventional superconductors
NEW JOURNAL OF PHYSICS
2009; 11
View details for DOI 10.1088/1367-2630/11/5/055060
View details for Web of Science ID 000266458800008
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Search for time-reversal symmetry breaking in unconventional superconductors
5th International Workshop on Electronic Crystals (ECRYS-2008)
ELSEVIER SCIENCE BV. 2009: 507–9
View details for DOI 10.1016/j.physb.2008.11.058
View details for Web of Science ID 000264227400048
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Improved constraints on non-Newtonian forces at 10 microns
PHYSICAL REVIEW D
2008; 78 (2)
View details for DOI 10.1103/PhysRevD.78.022002
View details for Web of Science ID 000258636700005
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Approach to a superconductor-to-Bose-insulator transition in disordered films
PHYSICAL REVIEW B
2008; 77 (21)
View details for DOI 10.1103/PhysRevB.77.212501
View details for Web of Science ID 000257288900014
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Polar Kerr-effect measurements of the high-temperature YBa2Cu3O6+x superconductor: Evidence for broken symmetry near the pseudogap temperature
PHYSICAL REVIEW LETTERS
2008; 100 (12)
Abstract
The polar Kerr effect in the high-T_(c) superconductor YBa2Cu3O6+x was measured at zero magnetic field with high precision using a cyogenic Sagnac fiber interferometer. We observed nonzero Kerr rotations of order approximately 1 microrad appearing near the pseudogap temperature T(*) and marking what appears to be a true phase transition. Anomalous magnetic behavior in magnetic-field training of the effect suggests that time reversal symmetry is already broken above room temperature.
View details for DOI 10.1103/PhysRevLett.100.127002
View details for PubMedID 18517903
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New apparatus for detecting micron-scale deviations from Newtonian gravity
PHYSICAL REVIEW D
2008; 77 (6)
View details for DOI 10.1103/PhysRevD.77.062006
View details for Web of Science ID 000254544500010
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STM studies of TbTe3: Evidence for a fully incommensurate charge density wave
PHYSICAL REVIEW LETTERS
2007; 99 (4)
Abstract
We observe unidirectional charge density wave (CDW) ordering on the quasi-2D material TbTe3 with a scanning tunneling microscope at approximately 6 K. Our analysis indicates that the CDW is fully incommensurate, with wave vector qCDW approximately 0.71x2pi/c. By imaging at various tip-sample voltages, we highlight effects of the subsurface layer and its effect on the CDW. We also observe an additional (possibly surface) dimerization and approximately 0.68x2pi/a ordering perpendicular to the CDW.
View details for DOI 10.1103/PhysRevLett.99.046401
View details for Web of Science ID 000248345800041
View details for PubMedID 17678379
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Inferring effective interactions from the local density of states: Application to STM data from Bi2Sr2CaCu2O8+delta
PHYSICAL REVIEW B
2006; 74 (17)
View details for DOI 10.1103/PhysRevB.74.174521
View details for Web of Science ID 000242409000127
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High resolution polar Kerr effect measurements of Sr2RuO4: Evidence for broken time-reversal symmetry in the superconducting state
PHYSICAL REVIEW LETTERS
2006; 97 (16)
Abstract
The polar Kerr effect in the spin-triplet superconductor Sr2RuO4 was measured with high precision using a Sagnac interferometer with a zero-area Sagnac loop. We observed nonzero Kerr rotations as big as 65 nanorad appearing below Tc in large domains. Our results imply a broken time-reversal symmetry state in the superconducting state of Sr2RuO4, similar to 3He-A.
View details for DOI 10.1103/PhysRevLett.97.167002
View details for Web of Science ID 000241405400054
View details for PubMedID 17155427
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Feedback control and characterization of a microcantilever using optical radiation pressure
APPLIED PHYSICS LETTERS
2006; 89 (16)
View details for DOI 10.1063/1.2362598
View details for Web of Science ID 000241405200130
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Distinguishing patterns of charge order: Stripes or checkerboards
PHYSICAL REVIEW B
2006; 74 (13)
View details for DOI 10.1103/PhysRevB.74.134507
View details for Web of Science ID 000241723200089
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Modified Sagnac interferometer for high-sensitivity magneto-optic measurements at cryogenic temperatures
APPLIED PHYSICS LETTERS
2006; 89 (6)
View details for DOI 10.1063/1.2336620
View details for Web of Science ID 000239690800069
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Gap-inhomogeneity-induced electronic states in superconducting Bi2Sr2CaCu2O8+delta
PHYSICAL REVIEW LETTERS
2006; 96 (1)
Abstract
In this Letter, we analyze, using scanning tunneling spectroscopy, the density of electronic states in nearly optimally doped Bi2Sr2CaCu2O(8+delta) in zero magnetic field. Focusing on the superconducting gap, we find patches of what appear to be two different phases in a background of some average gap, one with a relatively small gap and sharp large coherence peaks and one characterized by a large gap with broad weak coherence peaks. We compare these spectra with calculations of the local density of states for a simple phenomenological model in which a 2xi0 x 2xi0 patch with an enhanced or suppressed d-wave gap amplitude is embedded in a region with a uniform average d-wave gap.
View details for DOI 10.1103/PhysRevLett.96.017007
View details for Web of Science ID 000234608300081
View details for PubMedID 16486504
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STM studies of near-optimal doped Bi2Sr2CaCu2O8+delta
7th International Conference on Spectroscopies in Novel Superconductors (SNS 04)
PERGAMON-ELSEVIER SCIENCE LTD. 2006: 344–49
View details for DOI 10.1016/j.jpcs.2005.10.144
View details for Web of Science ID 000236746600085
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Constraints on Yukawa-type deviations from Newtonian gravity at 20 microns
PHYSICAL REVIEW D
2005; 72 (12)
View details for DOI 10.1103/PhysRevD.72.122001
View details for Web of Science ID 000234274900005
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Superconductivity in the insulating phase above the field-tuned superconductor-insulator transition in disordered indium oxide films
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
2005; 422 (1-2): 16-26
View details for DOI 10.1016/j.physc.2005.02.014
View details for Web of Science ID 000229400400003
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Possible field-tuned superconductor-insulator transition in high-T-c superconductors: Implications for pairing at high magnetic fields
PHYSICAL REVIEW LETTERS
2005; 94 (10)
Abstract
The behavior of some high temperature superconductors (HTSC), such as La(2-x)Sr(x)CuO(4) and Bi(2)Sr(2-x)La(x)CuO(6 + delta), at very high magnetic fields, is similar to that of thin films of amorphous InOx near the magnetic-field-tuned superconductor-insulator transition. Analyzing the InOx data at high fields in terms of persisting local pairing amplitude, we argue by analogy that the local pairing amplitude also persists well into the dissipative state of the HTSCs, the regime commonly denoted as the "normal state" in very high magnetic field experiments.
View details for DOI 10.1103/PhysRevLett.94.107008
View details for Web of Science ID 000227838900051
View details for PubMedID 15783512
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Periodic coherence-peak height modulations in superconducting Bi2Sr2CaCu2O8+delta
PHYSICAL REVIEW B
2004; 70 (21)
View details for DOI 10.1103/PhysRevB.70.214514
View details for Web of Science ID 000226111400115
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Coexistence of periodic modulation of quasiparticle states and superconductivity in Bi2Sr2CaCu2O8+delta
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
2003; 100 (17): 9705-9709
Abstract
In this article we show, using scanning tunneling spectroscopy, the existence of static striped density of electronic states in nearly optimally doped Bi2Sr2CaCu2O8+delta in zero field. This modulation is aligned with the Cu-O bonds, with a periodicity of four lattice constants, and exhibits features characteristic of a two-dimensional system of line objects. We further show that the density of states modulation manifests itself as a shift of states from above to below the superconducting gap. The fact that a single energy scale (i.e., the gap) appears for both superconductivity and stripes suggests that these two effects have the same origin.
View details for DOI 10.1073/pnas.1233768100
View details for Web of Science ID 000184926000016
View details for PubMedID 12913127
View details for PubMedCentralID PMC187829
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New experimental constraints on non-Newtonian forces below 100 mu m
PHYSICAL REVIEW LETTERS
2003; 90 (15)
Abstract
We have searched for large deviations from Newtonian gravity by means of a finite-frequency microcantilever-based experiment. Our data eliminate from consideration mechanisms of deviation that posit strengths approximately 10(4) times Newtonian gravity at length scales of 20 microm. This measurement is 3 orders of magnitude more sensitive than others that provide constraints at similar length scales.
View details for DOI 10.1103/PhysRevLett.90.151101
View details for Web of Science ID 000182320200005
View details for PubMedID 12732025
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Bulk magnetic properties and phase diagram of Li-doped La2CuO4: Common magnetic response of hole-doped CuO2 planes
PHYSICAL REVIEW B
2002; 66 (18)
View details for DOI 10.1103/PhysRevB.66.184512
View details for Web of Science ID 000179633100084
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Superconductor-insulator transition in a capacitively coupled dissipative environment
PHYSICAL REVIEW B
2002; 65 (22)
View details for DOI 10.1103/PhysRevB.65.220505
View details for Web of Science ID 000176767100018
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Inherent inhomogeneities in tunneling spectra of Bi2Sr2CaCu2O8-x crystals in the superconducting state
PHYSICAL REVIEW B
2001; 64 (10)
View details for Web of Science ID 000170978400014
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True superconductivity in a two-dimensional superconducting-insulating system
PHYSICAL REVIEW B
2001; 64 (6)
View details for Web of Science ID 000170414000014
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Negative deviations from Matthiessen's rule for SrRuO3 and CaRuO3
EUROPHYSICS LETTERS
2001; 55 (4): 532-538
View details for Web of Science ID 000170394900013
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Microcantilever studies of angular field dependence of vortex dynamics in Bi2Sr2CaCu2O8-x
PHYSICAL REVIEW B
2001; 64 (1)
View details for Web of Science ID 000169711900092
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Domain-wall resistivity in SrRuO3: the influence of domain walls spacing
International Conference on Magnetism
ELSEVIER SCIENCE BV. 2001: 780–781
View details for Web of Science ID 000170708600283
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Simple microcalorimeter for measuring microgram samples at low temperatures
REVIEW OF SCIENTIFIC INSTRUMENTS
2001; 72 (5): 2398-2406
View details for Web of Science ID 000168254300028
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Effects of dissipation on quantum phase transitions
PHYSICAL REVIEW B
2001; 63 (12)
View details for Web of Science ID 000167806600089
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Magnetic resistivity in SrRuO3 and the ferromagnetic phase transition
PHYSICAL REVIEW B
2001; 63 (5)
View details for Web of Science ID 000166820600088
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Thermal conductivity of Cu1-xMgxGeO3
22nd International Conference on Low Temperature Physics
ELSEVIER SCIENCE BV. 2000: 1645–1646
View details for Web of Science ID 000087423100261
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Domain wall resistivity in SrRuO3
PHYSICAL REVIEW LETTERS
2000; 84 (26): 6090-6093
Abstract
SrRuO3 is an itinerant ferromagnet with T(c) approximately 150 K. When SrRuO3 is cooled through T(c) in zero applied magnetic field, a stripe domain structure appears whose orientation is uniquely determined by the large uniaxial magnetocrystalline anisotropy. We find that the ferromagnetic domain walls clearly enhance the resistivity of SrRuO3 and that the enhancement has different temperature dependence for currents parallel and perpendicular to the domain walls. We discuss possible interpretations of our results.
View details for Web of Science ID 000087909500043
View details for PubMedID 10991131
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Extraordinary Hall effect in SrRuO3
51st Yamada Conference on Strongly Correlated Electron Systems
ELSEVIER SCIENCE BV. 2000: 608–609
View details for Web of Science ID 000086570200253
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Extraordinary Hall effect in SrRuO3
PHYSICAL REVIEW B
2000; 61 (12): R7842-R7845
View details for Web of Science ID 000086203100005
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Resistive anomalies at ferromagnetic transitions revisited: The case of SrRuO3 - Klein et al. reply
PHYSICAL REVIEW LETTERS
2000; 84 (10): 2280-2280
View details for Web of Science ID 000085650100059
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Specific heat of Zn-doped YBa2Cu3O6.95: Possible evidence for Kondo screening in the superconducting state
PHYSICAL REVIEW B
2000; 61 (5): 3604-3609
View details for Web of Science ID 000085332800083
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Magnetization and resistivity measurements of the first-order vortex phase transition in (La1-x.Srx)(2)CuO4
PHYSICAL REVIEW B
2000; 61 (2): 1610-1617
View details for Web of Science ID 000085760000108
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Vortex phase transition and vortex state in (La0.954Sr0.046)(2)CuO4 single crystals
International Conference on Physics and Chemistry of Molecular and Oxide Superconductors (MOS-99)
SPRINGER/PLENUM PUBLISHERS. 1999: 1399–1403
View details for Web of Science ID 000084486600067
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Possible non-Fermi-liquid behavior of CaRuO3
PHYSICAL REVIEW B
1999; 60 (3): 1448-1451
View details for Web of Science ID 000081551500006
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Impurity-induced bound excitations on the surface of Bi2Sr2CaCu2O8
PHYSICAL REVIEW LETTERS
1999; 83 (1): 176-179
View details for Web of Science ID 000081238000044
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Dissipation effects on the superconductor-insulator transition in 2D superconductors
PHYSICAL REVIEW LETTERS
1999; 82 (26): 5341-5344
View details for Web of Science ID 000081152700041
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Lorentz transmission electron microscope study of ferromagnetic domain walls in SrRuO3: Statics, dynamics, and crystal structure correlation
JOURNAL OF APPLIED PHYSICS
1999; 85 (8): 4131-4140
View details for Web of Science ID 000079848600029
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Is CaRuO3 a non-Fermi liquid metal?
International Conference on Strongly Correlated Electron Systems (SCES 98)
ELSEVIER SCIENCE BV. 1999: 431–432
View details for Web of Science ID 000079315700190
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Observation of quantum oscillations in the electrical resistivity of SrRuO3
PHYSICAL REVIEW B
1998; 58 (20): 13318-13321
View details for Web of Science ID 000077279800003
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Large magnetoresistance of single-crystal films of ferromagnetic SrRuO3
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
1998; 188 (3): 319-325
View details for Web of Science ID 000076011000007
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Non-fermi-liquid behavior of SrRuO3: Evidence from infrared conductivity
PHYSICAL REVIEW LETTERS
1998; 81 (12): 2498-2501
View details for Web of Science ID 000076073100025
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Thermal conductivity of the spin-Peierls compound CuGeO3
PHYSICAL REVIEW B
1998; 58 (6): R2913-R2916
View details for Web of Science ID 000075359500002
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Transport through quantum melts
PHYSICAL REVIEW LETTERS
1998; 80 (15): 3352-3355
View details for Web of Science ID 000073016600048
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Rapid suppression of the superconducting gap in overdoped Bi2Sr2CaCu2O8+delta
PHYSICAL REVIEW B
1996; 54 (22): 15669-15672
View details for Web of Science ID A1996VX71800022
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Excitation gap in the normal state of underdoped Bi2Sr2CaCu2O8+delta
SCIENCE
1996; 273 (5273): 325-329
View details for Web of Science ID A1996UY20200029
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Excitation Gap in the Normal State of Underdoped Bi2Sr2CaCu2O8+delta
Science (New York, N.Y.)
1996; 273 (5273): 325-9
Abstract
Angle-resolved photoemission experiments reveal evidence of an energy gap in the normal state excitation spectrum of the cuprate superconductor Bi2Sr2CaCu2O8+delta. This gap exists only in underdoped samples and closes around the doping level at which the superconducting transition temperature Tc is a maximum. The momentum dependence and magnitude of the gap closely resemble those of the dx2-y2 gap observed in the superconducting state. This observation is consistent with results from several other experimental techniques, which also indicate the presence of a gap in the normal state. Some possible theoretical explanations for this effect are reviewed.
View details for PubMedID 8662512
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Unconventional electronic structure evolution with hole doping in Bi2Sr2CaCu2O8+delta: Angle-resolved photoemission results
PHYSICAL REVIEW LETTERS
1996; 76 (25): 4841-4844
View details for Web of Science ID A1996UR09500048
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Evolution of the electronic structure with doping in Bi2Sr2CaCu2O8+delta - Angle resolved photoemission results
11th International Conference on Vacuum Ultraviolet Radiation Physics (VUV-11 Conference)
ELSEVIER SCIENCE BV. 1996: 167–170
View details for Web of Science ID A1996UT32200039
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Observation of quantum dissipation in the vortex state of a highly disordered superconducting thin film
PHYSICAL REVIEW LETTERS
1996; 76 (9): 1529-1532
View details for Web of Science ID A1996TW70000032
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Growth and annealing of (Bi1-xPbx)(2)Sr2CaCu2O8+delta single crystals
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
1996; 257 (3-4): 291-298
View details for Web of Science ID A1996TW03500010
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Lock-in transition in Bi2Sr2CaCu2O8+delta observed through 10GHz dissipation
21st International Conference on Low Temperature Physics (LT 21)
INST PHYSICS ACAD SCI CZECH REPUBLIC. 1996: 1593–1594
View details for Web of Science ID A1996VL44000206
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PERPENDICULAR MAGNETIC-ANISOTROPY AND STRONG MAGNETOOPTIC PROPERTIES OF SRRUO3 EPITAXIAL-FILMS
APPLIED PHYSICS LETTERS
1995; 66 (18): 2427-2429
View details for Web of Science ID A1995QV24900041
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SUPERCONDUCTING-INSULATING TRANSITION IN 2-DIMENSIONAL ALPHA-MOGE THIN-FILMS
PHYSICAL REVIEW LETTERS
1995; 74 (15): 3037-3040
View details for Web of Science ID A1995QR45300047
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CORRELATION OF VORTEX MOTION IN HIGH-T-C SUPERCONDUCTORS
PHYSICAL REVIEW LETTERS
1995; 74 (14): 2796-2799
View details for Web of Science ID A1995QP89100045
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Microwave absorption in the mixed state of Bi2Sr2CaCu2O8+delta single crystals
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
1994; 235-40: 3149-3150
View details for Web of Science ID 000208381800167
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ANGULAR-DEPENDENCE OF THE CRITICAL CURRENTS IN MAGNETIC-FIELDS OF SUPERCONDUCTING/INSULATING MO77GE23/GE MULTILAYERS
International Conference on Materials and Mechanisms of Superconductivity - High Temperature Superconductors IV (M2S-HTSC IV)
ELSEVIER SCIENCE BV. 1994: 2531–2532
View details for Web of Science ID A1994QC69600191
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MAGNETIC-FIELD DEPENDENCE OF THE ELECTRONIC SPECIFIC-HEAT IN YBA2CU3O6.95 SINGLE-CRYSTALS
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
1994; 235: 1775-1776
View details for Web of Science ID A1994QC69500117
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NORMAL-MODES AND SPECIFIC-HEAT OF AN UNDAMPED 3-DIMENSIONAL LATTICE OF PANCAKE VORTICES IN THIN SUPERCONDUCTING MULTILAYERS
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
1994; 235: 1777-1778
View details for Web of Science ID A1994QC69500118
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MAGNETIC-FIELD DEPENDENCE OF THE DENSITY-OF-STATES OF YBA2CU3O6.95 AS DETERMINED FROM THE SPECIFIC-HEAT
PHYSICAL REVIEW LETTERS
1994; 73 (20): 2744-2747
View details for Web of Science ID A1994PQ93200027
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VORTEX DECOUPLING CROSSOVER IN BI2SR2CACU2O8
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
1994; 230 (1-2): 170-176
View details for Web of Science ID A1994PE88400021
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ANOMALOUS TEMPERATURE-DEPENDENCE OF VORTEX ELASTIC PROPERTIES IN THE FLUX-FLOW REGIME OF MO77GE23/GE MULTILAYER SUPERCONDUCTORS
PHYSICAL REVIEW B
1994; 50 (9): 6303-6307
View details for Web of Science ID A1994PG28500060
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ANGULAR-DEPENDENCE OF THE CRITICAL CURRENTS IN MO77GE23/GE MULTILAYERS
PHYSICAL REVIEW B
1994; 49 (17): 12030-12035
View details for Web of Science ID A1994NL64300055
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STUDIES OF 2-DIMENSIONAL MOGE SUPERCONDUCTORS IN A MAGNETIC-FIELD
20th International Conference on Low Temperature Physics
ELSEVIER SCIENCE BV. 1994: 530–39
View details for Web of Science ID A1994NG61500065
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SPATIALLY-RESOLVED VACUUM TUNNELING SPECTROSCOPY ON BI2SR2CACU2O8 BY STM AT 4.8K
20th International Conference on Low Temperature Physics
ELSEVIER SCIENCE BV. 1994: 1689–1690
View details for Web of Science ID A1994NC27500169
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EVIDENCE FOR THE QUASI-2-DIMENSIONAL BEHAVIOR OF THE VORTEX STRUCTURE IN BI2SR2CACU2O8 SINGLE-CRYSTALS
20th International Conference on Low Temperature Physics
ELSEVIER SCIENCE BV. 1994: 2227–2228
View details for Web of Science ID A1994NC27500438
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THE NATURE OF LONG-RANGE ORDER IN THE VORTEX LATTICE OF HIGH T(C) SUPERCONDUCTORS
Conference on Superconducting Superlattices and Multilayers
SPIE - INT SOC OPTICAL ENGINEERING. 1994: 12–15
View details for Web of Science ID A1994BB01Z00002
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RESISTIVE AND THERMODYNAMIC TRANSITIONS OF A 2-DIMENSIONAL SUPERCONDUCTOR IN A MAGNETIC-FIELD
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
1994; 219 (1-2): 93-98
View details for Web of Science ID A1994MR34800017
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HIGH RESOLUTION X-RAY SPECTROSCOPY WITH A ROCKET BORNE COSMIC X-RAY MICROCALORIMETER SPECTROGRAPH
Conference on Advances in Multilayer and Grazing Incidence X-Ray/EUV/FUV Optics
SPIE - INT SOC OPTICAL ENGINEERING. 1994: 122–133
View details for Web of Science ID A1994BC27K00012
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EFFECTS OF COLUMNAR PINS ON FLUX-LINE DYNAMICS
PHYSICAL REVIEW LETTERS
1993; 71 (25): 4245-4248
View details for Web of Science ID A1993MM25400038
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THERMAL-DIFFUSIVITY OF BI2SR2CACU2O8 SINGLE-CRYSTALS
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
1993; 218 (3-4): 417-423
View details for Web of Science ID A1993MP69300011
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PHOTOTHERMAL MICROSCOPE FOR HIGH-T(C) SUPERCONDUCTORS AND CHARGE-DENSITY WAVES
REVIEW OF SCIENTIFIC INSTRUMENTS
1993; 64 (11): 3321-3327
View details for Web of Science ID A1993MG62400046
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KEY FEATURES IN THE MEASURED BAND-STRUCTURE OF BI2SR2CACU2O8+DELTA - FLAT BANDS AT E(F) AND FERMI-SURFACE NESTING
PHYSICAL REVIEW LETTERS
1993; 71 (17): 2781-2784
View details for Web of Science ID A1993MD94700026
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VORTEX-ANTIVORTEX CRYSTALLIZATION IN THIN SUPERCONDUCTING AND SUPERFLUID FILMS
PHYSICAL REVIEW LETTERS
1993; 71 (13): 2138-2141
View details for Web of Science ID A1993LZ39100045
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LOSS OF INTERPLANE CORRELATION IN BI2SR2CACU2O8 SINGLE-CRYSTALS
PHYSICAL REVIEW B
1993; 48 (10): 7486-7491
View details for Web of Science ID A1993LY03900078
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MICROWAVE PENETRATION DEPTH MEASUREMENTS ON BI2SR2CACU2O8 SINGLE-CRYSTALS AND YBA2CU3O7-DELTA THIN-FILMS
PHYSICAL REVIEW LETTERS
1993; 71 (5): 781-784
View details for Web of Science ID A1993LQ10700032
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SEARCH FOR CHARACTERISTIC LENGTHSCALES OF THE MAGNETIC-FIELD DISTRIBUTION AT THE SURFACE OF SUPERCONDUCTING BI2SR2CACU2O8+DELTA SINGLE-CRYSTALS
SYMP ON HIGH TEMPERATURE SUPERCONDUCTORS, AT THE 1992 FALL MEETING OF THE E-MRS / 3RD EUROPEAN EAST-WEST CONF AND EXHIBITION ON MATERIALS AND PROCESSES
ELSEVIER SCIENCE SA. 1993: 491–98
View details for Web of Science ID A1993LC49200114
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ANOMALOUSLY LARGE GAP ANISOTROPY IN THE A-B PLANE OF BI2SR2CACU2O8+DELTA
PHYSICAL REVIEW LETTERS
1993; 70 (10): 1553-1556
View details for Web of Science ID A1993KQ41400050
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COLLECTIVE VORTEX MOTION IN A-MOGE SUPERCONDUCTING THIN-FILMS
PHYSICAL REVIEW LETTERS
1993; 70 (5): 670-673
View details for Web of Science ID A1993KK24800039
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OBSERVATION OF KOSTERLITZ-THOULESS-TYPE MELTING OF THE DISORDERED VORTEX LATTICE IN THIN-FILMS OF ALPHA-MOGE
PHYSICAL REVIEW LETTERS
1993; 70 (4): 505-508
View details for Web of Science ID A1993KH61500037
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EVIDENCE FOR K-DEPENDENT, INPLANE ANISOTROPY OF THE SUPERCONDUCTING GAP IN BI2SR2CACU2O8+DELTA
PHYSICAL REVIEW B
1992; 46 (18): 11830-11834
View details for Web of Science ID A1992JX92900066
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SPECIFIC-HEAT OF A SUPERCONDUCTING MULTILAYER - 2D FLUCTUATIONS AND 2D-0D CROSSOVER
PHYSICAL REVIEW LETTERS
1992; 69 (16): 2407-2410
View details for Web of Science ID A1992JT98000025
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DEFECT DEPENDENCE OF THE IRREVERSIBILITY LINE IN BI2SR2CACU2O8 SINGLE-CRYSTALS
PHYSICAL REVIEW B
1992; 46 (9): 5615-5620
View details for Web of Science ID A1992JM06400074
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MEASUREMENT OF THE SPONTANEOUS POLAR KERR EFFECT IN YBA2CU3O7 AND BI2SR2CACU2O8
PHYSICAL REVIEW LETTERS
1992; 68 (23): 3472-3475
View details for Web of Science ID A1992HX41300026
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SQUID PICOVOLTOMETRY OF SINGLE-CRYSTAL BI2SR2CACU2O8+DELTA - OBSERVATION OF THE CROSSOVER FROM HIGH-TEMPERATURE ARRHENIUS TO LOW-TEMPERATURE VORTEX-GLASS BEHAVIOR
PHYSICAL REVIEW LETTERS
1992; 68 (17): 2672-2675
View details for Web of Science ID A1992HQ44000027
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VORTEX MOTION IN TYPE-II SUPERCONDUCTORS OF REDUCED DIMENSIONALITY
INTERNATIONAL CONF ON PHYSICS IN 2 DIMENSIONS
BIRKHAUSER VERLAG AG. 1992: 375–78
View details for Web of Science ID A1992HR05300056
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MONTE-CARLO SIMULATION OF FLUX LATTICE MELTING IN A MODEL HIGH-TC SUPERCONDUCTOR
PHYSICAL REVIEW LETTERS
1992; 68 (5): 710-713
View details for Web of Science ID A1992HB52800041
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THERMOELECTRIC COOLING AT VERY LOW-TEMPERATURES
APPLIED PHYSICS LETTERS
1992; 60 (2): 180-182
View details for Web of Science ID A1992GY79500013
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OPTICAL TESTS FOR BROKEN TIME-REVERSAL SYMMETRY IN HIGH-TEMPERATURE SUPERCONDUCTORS
NOBEL JUBILEE SYMP
IOP PUBLISHING LTD. 1992: 57–61
View details for Web of Science ID A1992JQ22400012
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INSITU GROWTH OF YBA2CU3OX THIN-FILMS BY REACTIVE COSPUTTERING
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS
1992; 10 (1): 82-86
View details for Web of Science ID A1992GZ44300011
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VORTICES IN ARTIFICIALLY-STRUCTURED QUASI 2-DIMENSIONAL SUPERCONDUCTORS
NOBEL JUBILEE SYMP
IOP PUBLISHING LTD. 1992: 25–28
View details for Web of Science ID A1992JQ22400007
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SUPERCONDUCTING INTERLAYER DECOUPLING AND SOFTENING OF THE FLUX LINE STRUCTURE IN BSCCO SINGLE-CRYSTALS
6TH INTERNATIONAL WORKSHOP ON CRITICAL CURRENTS
IOP PUBLISHING LTD. 1992: S272–S275
View details for Web of Science ID A1992HE35500061
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INTERPLANE AND INTRAPLANE SOFTENING OF THE VORTEX STRUCTURE IN BI2.1SR1.9CA0.9CU2O8+DELTA - A 2-STEP TRANSITION
PHYSICA C
1991; 184 (4-6): 254-258
View details for Web of Science ID A1991GX03300006
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ALTERATION IN THE SUPERCONDUCTING PROPERTIES OF BI2SR2CACU2O8 CRYSTALS DUE TO PROTON IRRADIATION
28TH INTERNATIONAL CONF ON NUCLEAR AND SPACE RADIATION EFFECTS
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC. 1991: 1089–93
View details for Web of Science ID A1991GZ17300006
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MAGNETIC PENETRATION DEPTH AND FLUX DYNAMICS IN SINGLE-CRYSTAL BI2SR2CACU2O8+DELTA
PHYSICAL REVIEW LETTERS
1991; 67 (22): 3152-3155
View details for Web of Science ID A1991GR17000028
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INPLANE DISSIPATION MAXIMA AND VORTEX-LINE DISTORTIONS IN THE RESISTIVE TRANSITIONS OF OXYGEN-DOPED BI2SR2CACU2O8+DELTA SINGLE-CRYSTALS
PHYSICAL REVIEW LETTERS
1991; 67 (15): 2095-2098
View details for Web of Science ID A1991GJ31900041
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ENHANCEMENT OF OPTICAL REFLECTIVITY OF HIGH TC-SUPERCONDUCTING FILMS BY ION MILLING
APPLIED PHYSICS LETTERS
1991; 58 (22): 2558-2560
View details for Web of Science ID A1991FP31100035
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MODEL SYSTEM FOR VORTEX MOTION IN COUPLED 2-DIMENSIONAL TYPE-II SUPERCONDUCTORS
PHYSICAL REVIEW LETTERS
1991; 66 (21): 2826-2829
View details for Web of Science ID A1991FN04600036
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TRANSLATIONAL AND BOND-ORIENTATIONAL ORDER IN THE VORTEX LATTICE OF THE HIGH-TC SUPERCONDUCTOR BI2.1SR1.9CA0.9CU2O8+DELTA
PHYSICAL REVIEW LETTERS
1991; 66 (17): 2270-2273
View details for Web of Science ID A1991FJ59800025
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ANOMALOUS SPECTRAL WEIGHT TRANSFER AT THE SUPERCONDUCTING TRANSITION OF BI2SR2CACU2O8+DELTA
PHYSICAL REVIEW LETTERS
1991; 66 (16): 2160-2163
View details for Web of Science ID A1991FH36600028
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SEARCH FOR A PROXIMITY EFFECT INDUCED GAP IN GOLD HIGH-TC JUNCTIONS
APPLIED PHYSICS LETTERS
1991; 58 (12): 1332-1334
View details for Web of Science ID A1991FD36800037
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SUPERCONDUCTING TRANSITION-TEMPERATURE IN A NB/NBXSI1-X BILAYER SYSTEM
PHYSICAL REVIEW B
1991; 43 (4): 2648-2655
View details for Web of Science ID A1991FF08300021
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OBSERVATION OF AN HEXATIC VORTEX GLASS IN FLUX LATTICES OF THE HIGH-TC SUPERCONDUCTOR BI2.1SR1.9CA0.9CU2O8+DELTA
19TH INTERNATIONAL CONF ON LOW TEMPERATURE PHYSICS ( LT-19 )
ELSEVIER SCIENCE BV. 1991: 72–79
View details for Web of Science ID A1991FL63000014
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O 1S CORE LEVELS IN BI2SR2CACU2O8+DELTA SINGLE-CRYSTALS
PHYSICAL REVIEW B
1991; 43 (4): 3085-3090
View details for Web of Science ID A1991FF08300077
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OBSERVATION OF A COMMENSURATE ARRAY OF FLUX CHAINS IN TILTED FLUX LATTICES IN BI-SR-CA-CU-O SINGLE-CRYSTALS
PHYSICAL REVIEW LETTERS
1991; 66 (1): 112-115
View details for Web of Science ID A1991ER07400029
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ANGLE-RESOLVED-PHOTOEMISSION STUDY OF BI2SR2CACU2O8+DELTA - METALLICITY OF THE BI-O PLANE
PHYSICAL REVIEW LETTERS
1990; 65 (24): 3056-3059
View details for Web of Science ID A1990EL84000035
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VARIATION OF CU-O CHARGE-TRANSFER ENERGIES IN YBA2CU3O7-X THIN-FILMS STUDIED BY PHOTOEMISSION SPECTROSCOPY
PHYSICAL REVIEW B
1990; 42 (13): 8044-8048
View details for Web of Science ID A1990EG48800046
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MICROSTRUCTURAL INTERACTION OF Y2BA4CU8O16 STACKING-FAULTS WITHIN YBA2CU3O7-X
JOURNAL OF MATERIALS RESEARCH
1990; 5 (10): 2049-2055
View details for Web of Science ID A1990ED74400003
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FLUX MOTION IN A 2-DIMENSIONAL SINGLE-CRYSTAL NB FILM
APPLIED PHYSICS LETTERS
1990; 57 (10): 1061-1063
View details for Web of Science ID A1990DW57000039
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BREAKDOWN FIELD IN HIGHLY ANISOTROPIC SUPERCONDUCTORS
3RD CONF ON FRONTIERS IN CONDENSED MATTER PHYSICS, IN HONOUR OF CYRIL DOMB ON HIS 70TH BIRTHDAY
ELSEVIER SCIENCE BV. 1990: 338–44
View details for Web of Science ID A1990EA80500033
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ELECTRONIC-STRUCTURE OF THE GOLD BI2SR2CACU2O8 AND GOLD EUBA2CU3O7-DELTA INTERFACES AS STUDIED BY PHOTOEMISSION SPECTROSCOPY
APPLIED PHYSICS LETTERS
1990; 57 (3): 307-309
View details for Web of Science ID A1990DN53800035
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TEST FOR NONRECIPROCAL CIRCULAR BIREFRINGENCE IN YBA2CU3O7 THIN-FILMS AS EVIDENCE FOR BROKEN TIME-REVERSAL SYMMETRY
PHYSICAL REVIEW LETTERS
1990; 65 (1): 123-126
View details for Web of Science ID A1990DL89100032
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OBSERVATION OF AN HEXATIC VORTEX GLASS IN FLUX LATTICES OF THE HIGH-TC SUPERCONDUCTOR BI2.1SR1.9CA0.9CU2O8+DELTA
ANNALS OF THE NEW YORK ACADEMY OF SCIENCES
1990; 581: 77-87
View details for Web of Science ID A1990DY00900012
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OBSERVATION OF A HEXATIC VORTEX GLASS IN FLUX LATTICES OF THE HIGH-TC SUPERCONDUCTOR BI2.1SR1.9CA0.9CU2O8+DELTA
PHYSICAL REVIEW LETTERS
1990; 64 (19): 2312-2315
View details for Web of Science ID A1990DC36500026
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GROWTH AND PROPERTIES OF OXYGEN-DOPED AND ION-DOPED BI2SR2CACU2O8+DELTA SINGLE-CRYSTALS
PHYSICAL REVIEW B
1990; 41 (10): 6564-6574
View details for Web of Science ID A1990CY12100052
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DISTRIBUTION OF FLUX-PINNING ENERGIES IN YBA2CU3O7-DELTA AND BI2SR2CACU2O8+DELTA FROM FLUX NOISE
PHYSICAL REVIEW LETTERS
1990; 64 (1): 72-75
View details for Web of Science ID A1990CF77600019
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PHOTOTHERMAL MEASUREMENTS OF HIGH-TC SUPERCONDUCTORS
6TH INTERNATIONAL TOPICAL MEETING ON PHOTOACOUSTIC AND PHOTOTHERMAL PHENOMENA
SPRINGER-VERLAG BERLIN. 1990: 202–204
View details for Web of Science ID A1990BQ96Y00051
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VORTEX MOTION AND TIME-DEPENDENT MAGNETIC RESPONSES IN HIGH-TC SUPERCONDUCTORS
INTERNATIONAL CONF ON MATERIALS AND MECHANISMS OF SUPERCONDUCTIVITY : HIGH TEMPERATURE SUPERCONDUCTORS 2
ELSEVIER SCIENCE BV. 1989: 687–688
View details for Web of Science ID A1989CG48900320
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ELECTRONIC-STRUCTURE OF SINGLE CRYSTALLINE BI2(SR,CA,LA)3CU2O8
INTERNATIONAL CONF ON MATERIALS AND MECHANISMS OF SUPERCONDUCTIVITY : HIGH TEMPERATURE SUPERCONDUCTORS 2
ELSEVIER SCIENCE BV. 1989: 1313–1314
View details for Web of Science ID A1989CG49000222
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EVIDENCE FOR AN INTRINSIC LINEAR TERM IN THE T-DEPENDENCE OF THE THERMAL-CONDUCTIVITY OF SUPERCONDUCTING YBA2CU3O7 AND BI2SR2CACU2O8 SINGLE-CRYSTALS
INTERNATIONAL CONF ON MATERIALS AND MECHANISMS OF SUPERCONDUCTIVITY : HIGH TEMPERATURE SUPERCONDUCTORS 2
ELSEVIER SCIENCE BV. 1989: 508–509
View details for Web of Science ID A1989CG48900239
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ORIENTATION DEPENDENT RESISTIVE TRANSITION BROADENING IN MAGNETIC-FIELD OF YBA2CU3O7-X THIN-FILMS
INTERNATIONAL CONF ON MATERIALS AND MECHANISMS OF SUPERCONDUCTIVITY : HIGH TEMPERATURE SUPERCONDUCTORS 2
ELSEVIER SCIENCE BV. 1989: 605–606
View details for Web of Science ID A1989CG48900279
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PHOTOEMISSION-STUDY OF THE ELECTRONIC-STRUCTURE (PR0.2LA0.8)(BA1.875LA0.125)CU3O7-DELTA SYSTEM
SOLID STATE COMMUNICATIONS
1989; 72 (6): 575-578
View details for Web of Science ID A1989AZ31600013
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ELECTRONIC-STRUCTURE OF CLEAN AND AG-COVERED SINGLE-CRYSTALLINE BI2SR2CUO6
PHYSICAL REVIEW B
1989; 40 (13): 8769-8773
View details for Web of Science ID A1989AX80800018
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PHOTOEMISSION-STUDY OF ABSORPTION MECHANISMS IN BI2.0SR1.8CA0.8LA0.3CU2.1O8+DELTA, BABIO3, AND ND1.85CE0.15CUO4
PHYSICAL REVIEW B
1989; 40 (13): 8840-8843
View details for Web of Science ID A1989AX80800030
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EFFECT OF ELECTRON-ELECTRON INTERACTION ON THE THERMOELECTRIC-POWER IN DISORDERED METALLIC SYSTEMS
PHYSICAL REVIEW B
1989; 40 (11): 7513-7519
View details for Web of Science ID A1989AW11600008
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SPECTROSCOPIC EVIDENCE OF TWO-DIMENSIONAL CHARACTER OF THE 90-K BI2(SR,LA,CA)3CU2O8 SUPERCONDUCTORS
APPLIED PHYSICS LETTERS
1989; 55 (11): 1141-1143
View details for Web of Science ID A1989AN83100031
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PHOTOTHERMAL MEASUREMENTS OF HIGH-TC SUPERCONDUCTORS
APPLIED PHYSICS LETTERS
1989; 55 (6): 598-599
View details for Web of Science ID A1989AJ91500029
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THE ELECTRONIC-STRUCTURE OF BI2.0SR1.8LA0.3CA0.8CU2.1O8+DELTA-SUPERCONDUCTORS STUDIED USING ULTRAVIOLET AND X-RAY PHOTOELECTRON-SPECTROSCOPY
PHYSICA C
1989; 159 (5): 649-653
View details for Web of Science ID A1989AK44500016
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ORTHORHOMBIC DISTORTION AND CATION ORDERING IN Y2BA4CU8O16 AND ER2BA4CU8O16 HIGH-TC THIN-FILMS
PHYSICAL REVIEW B
1989; 39 (16): 11648-11652
View details for Web of Science ID A1989AA06300048
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MEASUREMENTS ON THIN-FILM HIGH-TC SUPERCONDUCTORS
IBM JOURNAL OF RESEARCH AND DEVELOPMENT
1989; 33 (3): 252-261
View details for Web of Science ID A1989AC49000008
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SYSTEMATIC EFFECTS IN THIN-FILM TUNNEL-JUNCTIONS OF YBA2CU3O7-DELTA
SOLID STATE COMMUNICATIONS
1989; 70 (4): 449-452
View details for Web of Science ID A1989U313200009
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GROWTH AND PROPERTIES OF SPUTTERED HIGH-TC OXIDE THIN-FILMS
IEEE TRANSACTIONS ON MAGNETICS
1989; 25 (2): 2422-2425
View details for Web of Science ID A1989T670600412
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PHOTOELECTRON ENERGY-LOSS STUDY OF THE BI2CASR2CU2O8 SUPERCONDUCTOR
PHYSICAL REVIEW B
1989; 39 (7): 4295-4298
View details for Web of Science ID A1989T686300042
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PROPERTIES OF HIGH-TC OXIDE FIBERS FROM LASER HEATED PEDESTAL GROWTH
IEEE TRANSACTIONS ON MAGNETICS
1989; 25 (2): 2014-2016
View details for Web of Science ID A1989T670600313
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SURFACE IMPEDANCE STUDIES OF THE HIGH-TC OXIDE SUPERCONDUCTORS
IEEE TRANSACTIONS ON MAGNETICS
1989; 25 (2): 810-813
View details for Web of Science ID A1989T670600015
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INSITU GROWTH OF SUPERCONDUCTING YBACUO USING REACTIVE ELECTRON-BEAM COEVAPORATION
IEEE TRANSACTIONS ON MAGNETICS
1989; 25 (2): 2418-2421
View details for Web of Science ID A1989T670600411
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MAGNETIC-FLUX MOTION AND ITS INFLUENCE ON TRANSPORT-PROPERTIES OF THE HIGH-TC OXIDE SUPERCONDUCTORS
APPLIED PHYSICS LETTERS
1989; 54 (7): 663-665
View details for Web of Science ID A1989T174200024
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SYMMETRY OF THE OXYGEN HOLE STATES IN BI2SR2CACU2O8 INVESTIGATED BY XAS
PHYSICA C
1989; 157 (2): 260-262
View details for Web of Science ID A1989T336000011
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ORTHORHOMBIC AND TETRAGONAL STRUCTURES IN THE LA(BA2-YLAY)CU3O7-X SYSTEM
SOLID STATE IONICS
1989; 32-3: 1064-1079
View details for Web of Science ID A1989U900700063
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THE ORIGIN OF THE SUPERSTRUCTURE IN BI2SR2CACU2O8+DELTA AS REVEALED BY SCANNING TUNNELING MICROSCOPY
SCIENCE
1988; 242 (4886): 1673-1675
Abstract
Real-space images with atomic resolution of the BiO plane of Bi(2)Sr(2)CaCu(2)O(8+delta) were obtained with a scanning tunneling microscope. Single-crystal samples were cleaved and imaged under ultrahigh vacuum conditions at room temperature. The images clearly show the one-dimensional incommensurate superstructure along the b-axis that is common to this phase. High-resolution images show the position of the Bi atoms, revealing the structural nature of the superlattice. A missing row of Bi atoms occurs either every nine or ten atomic sites in both (110) directions, accounting for the measured incommensurate periodicity of the superstructure. A model is proposed that includes missing rows of atoms, as well as displacements of the atomic positions along both the a- and c-axis directions.
View details for Web of Science ID A1988R492900035
View details for PubMedID 17730577
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SURFACE-STRUCTURE OF BI2SR2CACU2O8+SIGMA HIGH-TEMPERATURE SUPERCONDUCTORS STUDIED USING LOW-ENERGY ELECTRON-DIFFRACTION
APPLIED PHYSICS LETTERS
1988; 53 (25): 2563-2565
View details for Web of Science ID A1988R375200034
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WEAKLY COUPLED GRAIN MODEL OF HIGH-FREQUENCY LOSSES IN HIGH-TC SUPERCONDUCTING THIN-FILMS
APPLIED PHYSICS LETTERS
1988; 53 (14): 1343-1345
View details for Web of Science ID A1988Q258700041
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SITE-SELECTIVE DOPING AND SUPERCONDUCTIVITY IN(LA1-YPRY)(BA2-XLAX)CU3O7+DELTA
PHYSICAL REVIEW B
1988; 38 (10): 6667-6676
View details for Web of Science ID A1988Q552000038
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TWO-DIMENSIONAL SUPERSTRUCTURE IN THE (001) PLANE OF BI2[CA,SR]3CU2O8+DELTA THIN-FILMS
APPLIED PHYSICS LETTERS
1988; 53 (5): 426-428
View details for Web of Science ID A1988P492900028
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ANALOGY BETWEEN Y2BA4CU8O16-X AND BI4CA2SR4CU4O16+X
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
1988; 152 (5): 475-478
View details for Web of Science ID A1988P347100016
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SCANNING TUNNELING MICROSCOPY OF THE A-B PLANES OF BI2(CA,SR)3CU2O8+DELTA SINGLE-CRYSTAL AND THIN-FILM
APPLIED PHYSICS LETTERS
1988; 52 (24): 2071-2073
View details for Web of Science ID A1988N818600022
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ORDERED-DEFECT STRUCTURE IN EPITAXIAL YBA2CU3O7-X THIN-FILMS
PHYSICAL REVIEW B
1988; 37 (16): 9353-9358
View details for Web of Science ID A1988N729400027
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PROPERTIES OF FILMS OF HIGH-TC PEROVSKITE SUPERCONDUCTORS
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
1988; 153: 520-526
View details for Web of Science ID A1988P410000229
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MOLECULAR-BEAM EPITAXY AND DEPOSITION OF HIGH-TC SUPERCONDUCTORS
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B
1988; 6 (2): 799-803
View details for Web of Science ID A1988N138700079
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FLUCTUATION CONDUCTIVITY IN INHOMOGENEOUS SUPERCONDUCTORS
ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER
1988; 72 (2): 253-259
View details for Web of Science ID A1988P796500014
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OPTICAL MEASUREMENTS ON ORIENTED THIN YBA2CU3O7-DELTA FILMS - LACK OF EVIDENCE FOR EXCITONIC SUPERCONDUCTIVITY
PHYSICAL REVIEW LETTERS
1987; 59 (19): 2219-2221
View details for Web of Science ID A1987K688100025
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REACTIVE MAGNETRON SPUTTERING OF THIN-FILM SUPERCONDUCTOR YBA2CU3O7-CHI
APPLIED PHYSICS LETTERS
1987; 51 (17): 1370-1372
View details for Web of Science ID A1987K492300027
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GROWTH OF HIGH-TC SUPERCONDUCTING THIN-FILMS USING MOLECULAR-BEAM EPITAXY TECHNIQUES
APPLIED PHYSICS LETTERS
1987; 51 (15): 1191-1193
View details for Web of Science ID A1987K304900022
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CRITICAL CURRENT DENSITIES AND TRANSPORT IN SUPERCONDUCTING YBA2CU3O7-DELTA FILMS MADE BY ELECTRON-BEAM COEVAPORATION
APPLIED PHYSICS LETTERS
1987; 51 (11): 852-854
View details for Web of Science ID A1987J909300025
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SUPERCONDUCTIVITY AND MAGNETISM IN THE HIGH-TC SUPERCONDUCTOR Y-BA-CU-O
PHYSICAL REVIEW LETTERS
1987; 58 (15): 1574-1576
View details for Web of Science ID A1987G768200022
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ONSET OF FRACTAL GROWTH - STATICS AND DYNAMICS OF DIFFUSION-CONTROLLED POLYMERIZATION
PHYSICAL REVIEW B
1987; 35 (4): 1881-1890
View details for Web of Science ID A1987F866000048
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GROWTH INSTABILITY IN DIFFUSION CONTROLLED POLYMERIZATION
SYNTHETIC METALS
1987; 18 (1-3): 19-23
View details for Web of Science ID A1987G147400004
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CALCULATED QUASI-EIGENSTATES AND QUASI-EIGENENERGIES OF QUANTUM-WELL SUPERLATTICES IN AN APPLIED ELECTRIC-FIELD
JOURNAL OF APPLIED PHYSICS
1986; 60 (9): 3211-3213
View details for Web of Science ID A1986E439400035
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ANOMALOUS STRUCTURES IN THIN IN-GE FILMS
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS
1986; 4 (5): 2373-2376
View details for Web of Science ID A1986E030400018
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STATICS AND DYNAMICS OF THE DIFFUSION-LIMITED POLYMERIZATION OF THE CONDUCTING POLYMER POLYPYRROLE
PHYSICAL REVIEW LETTERS
1986; 56 (18): 1932-1935
View details for Web of Science ID A1986C111400013