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Related papers: Proximity Effects in Conical-Ferromagnet/Supercond…

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The theory of superconductivity in thin SN sandwiches (bilayers) in the diffusive limit is developed within the standard Usadel equation method, with particular emphasis on the case of very thin superconductive layers, d_S << d_N. The…

Superconductivity · Physics 2007-05-23 Ya. V. Fominov , M. V. Feigel'man

We study the proximity effect in superconductor-ferromagnet (SF) structure with a narrow domain wall (DW) at the SF interface. The width of the domain wall is assumed to be larger than the Fermi wave length, but smaller than other…

Superconductivity · Physics 2009-11-13 A. F. Volkov , K. B. Efetov

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…

The ability to locally apply and tune large magnetic fields is a crucial requirement for several devices, most notably for detection and generation of majorana fermions. Such a functionality can be achieved in Superconductor (S)…

Superconductivity · Physics 2023-06-23 Pushpak Banerjee , Pramod K. Sharma , Sonam Bhakat , Biswajit Dutta , Avradeep Pal

The theoretical description of the Fulde-Ferrell-Larkin-Ovchinnikov like state establishing in nanostructered bilayers of ferromagnetic (F) and superconducting (S) material leads to critical temperature oscillations and reentrant…

We calculate the superconducting critical temperature $T_c$, the singlet pair function $\Psi^+(x)$, and triplet pair function $\Psi^-(x)$ of superconductor/normal metal/ferromagnet (S/N/F) trilayers using the linearized Usadel equation near…

Superconductivity · Physics 2007-05-23 Nayoung Lee , Han-Yong Choi , Hyeonjin Doh , K. Char , Hyun-Woo Lee

We have studied the behavior of the superconducting critical temperature Tc in $Nb/Co_{60}Fe_{40}$, Nb/Ni, and $Nb/Cu_{40}Ni_{60}$ bilayers as a function of the thickness of each ferromagnetic metal layer. The Tc s of three sets of bilayers…

Superconductivity · Physics 2009-11-11 Jinho Kim , Jun Hyung Kwon , K. Char , Hyeonjin Doh , Han-Yong Choi

A central challenge in nanoscale superconductivity is to understand and exploit the combined action of quantum confinement and proximity effects in experimentally realistic metallic heterostructures. We theoretically investigate…

Superconductivity · Physics 2026-03-27 Giovanni A. Ummarino , Alessio Zaccone

In the framework of the Dirac-Bogoliubov-de Gennes formalism, we investigate the transport properties in the surface of a 3-dimensional topological insulator-based hybrid structure, where the ferromagnetic and superconducting orders are…

Mesoscale and Nanoscale Physics · Physics 2018-01-17 M. Khezerlou , H. Goudarzi

Proximity effect in thin-film superconductor (S)/magnet heterostructures with different types of magnets including ferromagnets, antiferromagnets and altermagnets is widely considered in the framework of an effective model, where the…

Superconductivity · Physics 2026-02-16 V. A. Bobkov , G. A. Bobkov , I. V. Bobkova

The presence of a spin-flip potential at the interface between a superconductor and a ferromagnetic metal allows for the generation of equal-spin spin-triplet Cooper pairs. These Cooper pairs are compatible with the exchange interaction…

Superconductivity · Physics 2014-09-02 Daniel Fritsch , James F. Annett

We consider the proximity effects in hybrid superconductor (S) - ferromagnet (F) structures drawing attention to the induced ferromagnetism of the S metal. The analysis is based on a quasiclassical theory of proximity effect for metals in…

Superconductivity · Physics 2007-05-23 V. N. Krivoruchko , V. N. Varyukhin

We consider novel unusual effects in superconductor-ferromagnet (S/F) structures. In particular we analyze the triplet component (TC) of the condensate generated in those systems.This component is odd in frequency and even in the momentum,…

Superconductivity · Physics 2009-11-11 F. S. Bergeret , A. F. Volkov , K. B. Efetov

Under certain conditions, the order parameter induced by a superconductor (S) in a ferromagnet (F) can be inhomogeneous and oscillating, which results e.g. in the so-called pi-coupling in S/F/S junctions. In principle, the inhomogeneous…

Superconductivity · Physics 2009-11-07 A. Rusanov , R. Boogaard , M. Hesselberth , H. Sellier , J. Aarts

The spread of the Cooper pairs into the ferromagnet in proximity coupled superconductor - ferromagnet (SF) structures is shown to cause a strong inverse electromagnetic phenomenon, namely, the long-range transfer of the magnetic field from…

Superconductivity · Physics 2018-08-01 S. Mironov , A. S. Mel'nikov , A. Buzdin

We report on a study of the structural, magnetic and superconducting properties of Nb(25nm)/Gd($d_f$)/Nb(25nm) hybrid structures of a superconductor/ ferromagnet (S/F) type. The structural characterization of the samples, including careful…

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…

Competition between superconducting and ferromagnetic ordering at interfaces between ferromagnets (F) and superconductors (S) gives rise to several proximity effects such as odd-triplet superconductivity and spin-polarized supercurrents. A…

Superconductivity · Physics 2019-11-27 Alejandro A. Jara , Evan Moen , Oriol T. Valls , Ilya N. Krivorotov

Two possible physical mechanisms of superconductivity suppression at superconductor/antiferromagnet (S/AF) interfaces, which work even for interfaces with compensated antiferromagnets, were reported. One of them suggests that the Neel order…

Superconductivity · Physics 2023-08-16 G. A. Bobkov , I. V. Bobkova , A. M. Bobkov

We have used spin-polarized neutron reflectometry to investigate the magnetization profile of superlattices composed of ferromagnetic Gd and superconducting Nb layers. We have observed a partial suppression of ferromagnetic (F) order of Gd…