Výsledky vyhledávání

Superconductivity in La1.56Sr0.44CuO4/La2CuO4 Superlattices

Autor: Gennady Logvenov, B. M. Wojek, Andreas Suter, Hubertus Luetkens, I. Božović, Elvezio Morenzoni, Adrian Gozar, Thomas Prokscha

Publikováno v: Physics Procedia. 30:271-274

Superlattices of the repeated structure La(1.56)Sr(0.44)CuO(4)/La(2)CuO(4) (LSCO-LCO), where none of the constituents is superconducting, show a superconducting transition of T_c \simeq 25 K. In order to elucidate the nature of the superconducting st

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8565d2e1a3ea765f11cfad5ca77b4045
https://doi.org/10.1016/j.phpro.2012.04.089

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Absolute Value and Anisotropy of the Magnetic Penetration Depth in YBa2Cu3O6.92

Autor: Sarah Dunsiger, M. D. Hossain, Andreas Suter, Zaher Salman, H. Saadaoui, Ruixing Liang, Oren Ofer, Jordan Baglo, B. M. Wojek, R.F. Kieﬂ, Elvezio Morenzoni, Gerald D. Morris, Thomas Prokscha, D. A. Bonn, Walter Hardy

Publikováno v: Physics Procedia. 30:235-240

The absolute value and anisotropy of the magnetic penetration depth have been measured in a mosaic of optimally-doped YBa2Cu3O6.92 crystals using low-energy muon spin rotation at 8K with extrapolation to T = 0 using microwave resonator data. The aver

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4b6f8c6d2a93b95dc18c292f39ff944

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Zero-field Spin Depolarization of Low-Energy Muons in Ferromagnetic Nickel and Silver Metal

Autor: B. M. Wojek, H. Saadaoui, Andreas Suter, Thomas Prokscha, Elvezio Morenzoni, Zaher Salman

Publikováno v: Physics Procedia. 30:164-167

We present zero-field muon-spin depolarization measurements in nickel and silver performed using low-energy muon-spin relaxation technique.Ni or Ag are usually used in this depth-resolved technique as a backing material to enable background subtracti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a678808d2191cd0f86b7ddcd396457c
https://doi.org/10.1016/j.phpro.2012.04.064

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Magnetism and superconductivity in cuprate heterostructures studied by low energy

Autor: Thomas Prokscha, E. Treboux, Hugo Keller, Andreas Suter, Dmitry G. Eshchenko, Ø. Fischer, E. Koller, B. M. Wojek, Elvezio Morenzoni

Publikováno v: Physica B: Condensed Matter. 404:720-723

Heterostructures consisting of magnetic and superconducting layers juxtaposed to each other are ideal systems to investigate the interplay of the two order parameters and possible interlayer coupling. We used the low energy muon spin rotation techniq

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2072f44b9bada0fb3ebf649cb1d469ff
https://doi.org/10.1016/j.physb.2008.11.189

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Direct observation and temperature control of the surface Dirac gap in a topological crystalline insulator

Autor: B. M. Wojek, Viktor Jonsson, Oscar Tjernberg, Bogdan J. Kowalski, Tomasz Story, M. H. Berntsen, Andrzej Szczerbakow, Piotr Dziawa

Publikováno v: Nature Communications

Since the advent of topological insulators hosting Dirac surface states, efforts have been made to gap these states in a controllable way. A new route to accomplish this was opened up by the discovery of topological crystalline insulators where the t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce3ae8e8989b7c82329d29d4e1c84ee3
https://doi.org/10.1038/ncomms9463

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Band inversion and the topological phase transition in (Pb,Sn)Se

Autor: M. H. Berntsen, Andrzej Szczerbakow, Annica M. Black-Schaffer, B. M. Wojek, Oskar Tjernberg, B. J. Kowalski, Tomasz Story, Piotr Dziawa, Thiagarajan Balasubramanian

Publikováno v: Physical Review B. 90

The recent discovery of a topological phase transition in IV-VI narrow-gap semiconductors has revitalized the decades-old interest in the bulk band inversion occurring in these materials. Here we systematically study the (001) surface states of Pb1-x

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::11492bca733033e524032dd2f268bacd
https://doi.org/10.1103/physrevb.90.161202

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Low-Energy Muons at PSI: Examples of Investigations of Superconducting Properties in Near-Surface Regions and Heterostuctures

Autor: Elvezio Morenzoni, Zaher Salman, Oren Ofer, Andreas Suter, Jordan Baglo, Gennady Logvenov, H. Saadaoui, Robert F. Kiefl, B. M. Wojek, Thomas Prokscha, Ivan Božović, M. D. Hossain

Publikováno v: Proceedings of the International Symposium on Science Explored by Ultra Slow Muon (USM2013).

With the advent of polarized low-energy muons, with tunable energy in the kiloelectronvolt range, it is possible to use the sensitivity and the local-probe character of µSR to perform depth-dependent investigations on the nanometer scale of magnetic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4f49c6b580108241d5a75599ae2eeb53
https://doi.org/10.7566/jpscp.2.010201

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Two-Dimensional Magnetic and Superconducting Phases in Metal-Insulator La2−xSrxCuO4Superlattices Studied by Low-Energy Muon-Spin Rotation

Autor: Adrian Gozar, Ivan Božović, Hubertus Luetkens, B. M. Wojek, Thomas Prokscha, Andreas Suter, Elvezio Morenzoni, Gennady Logvenov

Publikováno v: Proceedings of the International Symposium on Science Explored by Ultra Slow Muon (USM2013).

We show, by means of low-energy muon-spin-rotation measurements, that few-unit-cells thick La2CuO4 layers synthesized digitally by molecular beam epitaxy are antiferromagnetically ordered. Below a thickness of about 5 CuO2 layers the long-range order

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2831a963db3ba4cde293a806d4233bd9
https://doi.org/10.7566/jpscp.2.010204

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