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相关论文: Proximity effect gaps in S/N/FI structures

200 篇论文

We reconsider the problem of the superconducting proximity effect in a diffusive ferromagnet bounded by tunneling interfaces, using spin-dependent boundary conditions. This introduces for each interface a phase-shifting conductance Gphi…

超导电性 · 物理学 2009-11-11 Audrey Cottet , Wolfgang Belzig

We present a study of the proximity effect and the inverse proximity effect in a superconductor$\mid$ferromagnet bilayer, taking into account several important factors which mostly have been ignored in the literature so far. These include…

超导电性 · 物理学 2009-11-13 Jacob Linder , Takehito Yokoyama , Asle Sudbø

A new class of phenomena discussed in this review is based on interaction between spatially separated, but closely located ferromagnets and superconductors. They are called Ferromagnet-Superconductor Hybrids (FSH). These systems include…

材料科学 · 物理学 2015-06-24 I. F. Lyuksyutov , V. L. Pokrovsky

The magnetization in a superconductor induced due to the inverse proximity effect is investigated in hybrid bilayers containing a superconductor and a ferromagnetic insulator or a strongly spin-polarized ferromagnetic metal. The study is…

超导电性 · 物理学 2021-02-03 Vladimir Yagovtsev , Natalia Pugach , Matthias Eschrig

The discovery of 2D materials opens up unprecedented opportunities to design new materials with specified properties. In many cases, the design guiding principle is based on one or another proximity effect, i.e. the nanoscale-penetration of…

超导电性 · 物理学 2024-10-22 G. A. Bobkov , K. A. Bokai , M. M. Otrokov , A. M. Bobkov , I. V. Bobkova

In many superconducting devices, including qubits, quasiparticle excitations are detrimental. A normal metal ($N$) in contact with a superconductor ($S$) can trap these excitations; therefore such a trap can potentially improve the devices…

超导电性 · 物理学 2018-02-23 A. Hosseinkhani , G. Catelani

Superconductor/ferromagnet (S/F) proximity effect theory predicts that the superconducting critical temperature of the F1/F2/S or F1/S/F2 trilayers for the parallel orientation of the F1 and F2 magnetizations is smaller than for the…

We study proximity effect in a tunnel junction between a bulk superconductor and a thin disordered ferromagnetic layer on its surface. Cooper pairs penetrating from the superconductor into the ferromagnet tend to destabilize its uniform…

无序系统与神经网络 · 物理学 2025-12-10 A. V. Levin , P. M. Ostrovsky

Superconducting spin valves based on the superconductor/ferromagnet (S/F) proximity effect are considered to be a key element in the emerging field of superconducting spintronics. Here, we demonstrate the crucial role of the morphology of…

超导电性 · 物理学 2016-03-25 P. V. Leksin , A. A. Kamashev , J. Schumann , V. Kataev , J. Thomas , B. Büchner , I. A. Garifullin

We report the superconducting properties of the Co/Pb/Co heterostructures with thin insulating interlayers. The main specific feature of these structures is the intentional oxidation of both superconductor/ferromagnet (S/F) interfaces. We…

We theoretically consider the proximity effect in semiconductor-superconductor hybrid nanostructures, which are being extensively studied in the context of the ongoing search for non-Abelian Majorana fermions in solid state systems.…

介观与纳米尺度物理 · 物理学 2013-05-21 Tudor D. Stanescu , S. Das Sarma

We report on the study of electron transport in the oxide heterostructures with superconductor/magnetic matter (S/M) interfaces where anomaly large penetration of superconducting correlations in magnetic matter (proximity effect) is…

We examine the effect of the magnetic field on the proximity effect in nanostructures, self consistently using the Bogoliubov-deGennes formalism within the two dimensional extended Hubbard model. We calculate the local density of states and…

介观与纳米尺度物理 · 物理学 2007-05-23 N. Stefanakis

The magnetic proximity effect in superconductor/ferromagnet (S/F) heterostructures with a large number of atomic layers leads to a suppression of the superconducting order parameter and appearance of Zeeman-like spin splitting of the local…

超导电性 · 物理学 2024-12-19 A. S. Ianovskaia , G. A. Bobkov , A. M. Bobkov , I. V. Bobkova

The inverse proximity effect, i.e. the induction of a magnetic moment in the superconductor in superconductor-ferromagnet (S/F) junctions is studied theoretically. We present a microscopic approach which combines a model Hamiltonian with…

超导电性 · 物理学 2009-11-11 F. S. Bergeret , A. Levy Yeyati , A. Martin-Rodero

We study peculiarities of proximity effect in clean superconductor -- ferromagnet structures caused by either spatial or momentum dependence of the exchange field. Even a small modulation of the exchange field along the quasiparticle…

超导电性 · 物理学 2015-06-11 A. S. Mel'nikov , A. V. Samokhvalov , S. M. Kuznetsova , A. I. Buzdin

We formulate a continuum model to study the low-energy electronic structure of heterostructures formed by graphene on a strong three-dimensional topological insulator (TI) for the case of both commensurate and incommensurate stacking. The…

介观与纳米尺度物理 · 物理学 2014-03-18 Junhua Zhang , C. Triola , E. Rossi

We present a microscopic theory of proximity effect in the ferromagnet/superconductor/ferromagnet (F/S/F) nanostructures where S is s-wave low-T_c superconductor and F's are layers of 3d transition ferromagnetic metal. Our approach is based…

超导电性 · 物理学 2016-08-31 A. Bagrets , C. Lacroix , A. Vedyayev

We study the proximity effect in SF'(AF)F'S and SF'(F)F'S planar junctions, where S is a clean conventional (s-wave) superconductor, while F' and middle layers are clean or moderately diffusive ferromagnets. Middle layers consist of two…

超导电性 · 物理学 2015-03-17 Luka Trifunovic , Zoran Radovic

Bi$_{2}$Te$_{3}$ and Bi$_{2}$Se$_{3}$ are well known 3D-topological insulators. Films made of these materials exhibit metal-like surface states with a Dirac dispersion and possess high mobility. The high mobility metal-like surface states…

介观与纳米尺度物理 · 物理学 2015-06-22 Parijat Sengupta , Tillmann Kubis , Yaohua Tan , Gerhard Klimeck