Search Results - "Sacépé, B."

Evidence for a Finite-Temperature Insulator by Ovadia, M., Kalok, D., Tamir, I., Mitra, S., Sacépé, B., Shahar, D.

“…In superconductors the zero-resistance current-flow is protected from dissipation at finite temperatures ( T ) by virtue of the short-circuit condition…”
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Disorder-induced inhomogeneities of the superconducting state close to the superconductor-insulator transition by Sacépé, B, Chapelier, C, Baturina, T I, Vinokur, V M, Baklanov, M R, Sanquer, M

“…Scanning tunneling spectroscopy at very low temperatures on homogeneously disordered superconducting titanium nitride thin films reveals strong spatial…”
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Sensitivity of the superconducting state in thin films by Tamir, I, Benyamini, A, Telford, E J, Gorniaczyk, F, Doron, A, Levinson, T, Wang, D, Gay, F, Sacépé, B, Hone, J, Watanabe, K, Taniguchi, T, Dean, C R, Pasupathy, A N, Shahar, D

“…For more than two decades, there have been reports on an unexpected metallic state separating the established superconducting and insulating phases of…”
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Electron-phonon decoupling in disordered insulators by Ovadia, M, Sacépé, B, Shahar, D

“…The current-voltage characteristics measured in the insulating state terminating the superconducting phase in disordered superconductors exhibit sharp…”
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Instability of Insulators near Quantum Phase Transitions by Doron, A, Tamir, I, Levinson, T, Ovadia, M, Sacépé, B, Shahar, D

“…Thin films of amorphous indium oxide undergo a magnetic field driven superconducting to insulator quantum phase transition. In the insulating phase, the…”
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Tunneling spectroscopy and vortex imaging in boron-doped diamond by Sacépé, B, Chapelier, C, Marcenat, C, Kacmarcik, J, Klein, T, Bernard, M, Bustarret, E

“…We present the first scanning tunneling spectroscopy study of single-crystalline boron-doped diamond. The measurements were performed below 100 mK with a low…”
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Metal-to-insulator transition and superconductivity in boron-doped diamond by Bustarret, E., Achatz, P., Sacépé, B., Chapelier, C., Marcenat, C., Ortéga, L., Klein, T.

“…The experimental discovery of superconductivity in boron-doped diamond came as a major surprise to both the diamond and the superconducting materials…”
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High-field termination of a Cooper-pair insulator by Sacépé, B., Seidemann, J., Ovadia, M., Tamir, I., Shahar, D., Chapelier, C., Strunk, C., Piot, B. A.

“…We conducted a systematic study of the disorder dependence of the termination of superconductivity, at high magnetic fields (B), of amorphous indium oxide…”
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Superconducting diamagnetic fluctuations in ropes of carbon nanotubes by Ferrier, M., Ladieu, F., Ocio, M., Sacépé, B., Vaugien, T., Pichot, V., Launois, P., Bouchiat, H.

“…We report low-temperature magnetization measurements on a large number of purified ropes of single wall carbon nanotubes. In spite of a superparamagnetic…”
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Two-dimensional quantum oscillations of the conductance at LaAlO3/SrTiO3 interfaces by Caviglia, A D, Gariglio, S, Cancellieri, C, Sacépé, B, Fête, A, Reyren, N, Gabay, M, Morpurgo, A F, Triscone, J-M

“…We report on a study of magnetotransport in LaAlO3 /SrTiO3 interfaces characterized by mobilities of the order of several thousands cm2/V s. We observe…”
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Experimental indications of a BCS behaviour in superconducting diamond by Sacépé, B., Chapelier, C., Marcenat, C., Kačmarčik, J., Klein, T., Omnès, F., Bustarret, E.

“…We present a scanning tunneling spectroscopy study of a superconducting single‐crystalline heavily boron‐doped diamond which provides an experimental evidence…”
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Disorder and screening in decoupled graphene on a metallic substrate by Martin, S. C., Samaddar, S., Sacépé, B., Kimouche, A., Coraux, J., Fuchs, F., Grévin, B., Courtois, H., Winkelmann, C. B.

“…We report the coexistence of charge puddles and topographic ripples in graphene decoupled from the Ir(111) substrate it was grown on. We show the topographic…”
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Generalized ellipsometry for the characterization of anisotropic materials: influence of the sample adjustment on the extracted optical indices by Boher, P., Piel, J.P., Sacépé, B.

“…A new method to extract accurately the optical properties of anisotropic materials and multilayer structures is presented. The main difference compared to the…”
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Two-Dimensional Quantum Oscillations of the Conductance at LaAlO 3 / SrTiO 3 Interfaces by Caviglia, A. D., Gariglio, S., Cancellieri, C., Sacépé, B., Fête, A., Reyren, N., Gabay, M., Morpurgo, A. F., Triscone, J.-M.

“…We report on a study of magnetotransport in LaAlO 3 =SrTiO 3 interfaces characterized by mobilities of the order of several thousands cm 2 =V s. We observe…”
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Pseudogap in a thin film of a conventional superconductor by Sacépé, Benjamin, Chapelier, Claude, Baturina, Tatyana I, Vinokur, Valerii M, Baklanov, Mikhail R, Sanquer, Marc

“…A superconducting state is characterized by the gap in the electronic density of states, which vanishes at the superconducting transition temperature T c . It…”
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Low-Magnetic-Field Regime of a Gate-Defined Constriction in High-Mobility Graphene by Veyrat, Louis, Jordan, Anna, Zimmermann, Katrin, Gay, Frédéric, Watanabe, Kenji, Taniguchi, Takashi, Sellier, Hermann, Sacépé, Benjamin

“…We report on the evolution of the coherent electronic transport through a gate-defined constriction in a high-mobility graphene device from ballistic transport…”
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Experimental Indications of a BCS Behaviour in Superconducting Diamond by Sacépé, B., Chapelier, C., Marcenat, C., Kačmarčik, J., Klein, T., Omnès, F., Bustarret, E.

“…This special issue of physica status solidi which was guest‐edited by Satoshi Koizumi (National Institute for Materials Science, Tsukuba, Japan), Christoph E…”
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Thermal relaxation in metal films limited by diffuson lattice excitations of amorphous substrates by Baeva, E. M, Titova, N. A, Veyrat, L, Sacépé, B, Semenov, A. V, Goltsman, G. N, Kardakova, A. I, Khrapai, V. S

“…Phys. Rev. Applied 15, 054014 (2021) Here we examine the role of the amorphous insulating substrate in the thermal relaxation in thin NbN, InO$_x$, and Au/Ni…”
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Joule overheating poisons the fractional ac Josephson effect in topological Josephson junctions by Calvez, K. Le, Veyrat, L, Gay, F, Plaindoux, P, Winkelmann, C, Courtois, H, Sacépé, B

“…Communications Physics 2, 4 (2019) Topological Josephson junctions designed on the surface of a 3D-topological insulator (TI) harbor Majorana bound states…”
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Quantum meets classical phase transition: Low-temperature anomaly in disordered superconductors near $B_{c2} by Sacépé, B, Seidemann, J, Gay, F, Davenport, K, Rogachev, A, Ovadia, M, Michaeli, K, Feigel'man, M. V

“…Nature Physics 15, 48 (2019) Strongly disordered superconductors in a magnetic field display many characteristic properties of type-II superconductivity---…”
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