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We investigate Superconductor/Ferromagnet (S/F) hybrid structures in the dirty limit, described by the Usadel equations. More precisely, the oscillations of the critical temperature and critical current with the thickness of the…

Superconductivity · Physics 2009-11-11 M. Faure , A. I. Buzdin , A. A. Golubov , M. Yu. Kupriyanov

We investigate superconducting proximity effect in clean ferromagnetic layers with rough boundaries. The subgap density of states is formed by Andreev bound states at energies which depend on trajectory length and the ferromagnetic exchange…

Superconductivity · Physics 2009-11-07 M. Zareyan , W. Belzig , Yu. V. Nazarov

We present theoretical results on the interplay of magnetic and superconducting orders in diffusive ferromagnet-superconductor-ferromagnet trilayers. The induced triplet superconducting correlations throughout the trilayer lead to an…

Superconductivity · Physics 2009-11-11 Tomas Lofwander , Thierry Champel , Johannes Durst , Matthias Eschrig

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.…

Mesoscale and Nanoscale Physics · Physics 2013-05-21 Tudor D. Stanescu , S. Das Sarma

This work is devoted to experimental study of influence of superconductivity (S) on ferromagnetism (FM) (inverse proximity effects) with the help of Polarized Neutron Reflectivity. Combining meausurements of specular and diffuse intensities…

We study the influence of the configuration of the majority and minority spin subbands of electron spectra on the properties of atomic-scaled superconductor-ferromagnet S-F-S and F-S-F hybrid structures. At low temperatures, the S/F/S…

Superconductivity · Physics 2015-05-13 Xavier Montiel , Daria Gusakova , Michel Daumens , Alexandre I. Buzdin

We develop a quasi-classical theory for the superconducting proximity effect in a ballistic ferromagnetic layer in contact with a d-wave superconductor. In agreement with recent experiments we find that the density of states oscillate…

Superconductivity · Physics 2009-11-10 Zahra Faraii , Malek Zareyan

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…

Superconductivity · Physics 2024-10-22 G. A. Bobkov , K. A. Bokai , M. M. Otrokov , A. M. Bobkov , I. V. Bobkova

For an s-wave superconductor/semiconductor/ferromagnetic-insulator structure, the proximity effect can induce the energy gap in the semiconductor rather than the superconducting pair potential of its microscope Hamiltonian. As a result, it…

Superconductivity · Physics 2010-10-22 Zhongwen Xing , Mei Liu

The quasiclassical theory in terms of equations for the Green's functions (Eilenberger equations) is generalized in order to allow for quantitative description of the magneto-electric effects and proximity-induced triplet correlations in…

Superconductivity · Physics 2017-09-26 I. V. Bobkova , A. M. Bobkov

Motivated by the recent experiment in multilayered cuprate superconductors reporting the enhancement of antiferromagnetic order below the superconducting transition temperature, we study the proximity effect of the antiferromagnetic…

Strongly Correlated Electrons · Physics 2012-05-24 Hiroyuki Yoshizumi , Takao Morinari , Takami Tohyama

The magnetic properties of transition-like metals are discussed within the single site approximation, which is a picture to take into account electron correlations. The metal is described by two hybridized bands one of which includes…

Strongly Correlated Electrons · Physics 2010-07-05 C. M. Chaves , A. Troper

In recent years, a number of studies have predicted the emergence of a nontrivial proximity effect in superconductor/antiferromagnet (S/AF) heterostructures. This effect is of considerable interest for the efficient integration of…

Superconductivity · Physics 2025-11-18 G. A. Bobkov , V. A. Bobkov , I. V. Bobkova , A. M. Bobkov , A. A. Golubov

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…

Superconductivity · Physics 2016-03-25 P. V. Leksin , A. A. Kamashev , J. Schumann , V. Kataev , J. Thomas , B. Büchner , I. A. Garifullin

The influence of an inhomogeneous magnetic field on the magnetoresistance of thin Al films, used in different superconductor/ferromagnet hybrids, has been investigated. Two contrasting magnetic textures with out-of-plane magnetization are…

Superconductivity · Physics 2009-11-13 W. Gillijns , A. Aladyshkin , A. V. Silhanek , V. V. Moshchalkov

We propose a picture for the magnetic properties of superconductor/ferromagnet (S/F) heterostructures based on Nb and permalloy (Py: Fe_{20}Ni_{80}). By measuring the magnetic moment as a function of the temperature in S/F/S trilayers for…

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…

Superconductivity · Physics 2015-03-17 Luka Trifunovic , Zoran Radovic

We theoretically study self-consistent proximity effects in finite-sized systems consisting of ferromagnet ($\rm F$) layers coupled to an $s$-wave superconductor ($\rm S$). We consider both $\rm SF_1F_2$ and $\rm SH$ nanostructures, where…

Superconductivity · Physics 2018-10-30 Klaus Halterman , Mohammad Alidoust

Interference of proximity induced superconducting correlations in mesoscopic metallic rings is sensitive to the magnetic flux $\Phi$ inside these rings. This is the reason for magnetoconductance oscillations in such systems. We detected…

Superconductivity · Physics 2007-05-23 V. N. Antonov , H. Takayanagi , F. K. Wilhelm , A. D. Zaikin

In this work, we study magnetization dynamics in superconductor-ferromagnet-superconductor thin-film structures. Results of the broad-band ferromagnetic resonance spectroscopy are reported for a large set of samples with varied thickness of…

Superconductivity · Physics 2023-03-10 I. A. Golovchanskiy , N. N. Abramov , V. V. Ryazanov , A. A. Golubov , V. S. Stolyarov
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