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We study a diffusive superconductor--ferromagnet--superconductor (SFS) junction with in-plane ferromagnetic domains. Close to the superconducting transition temperature, we describe the proximity effect in the junction with the linearized…

Mesoscale and Nanoscale Physics · Physics 2007-10-02 B. Crouzy , S. Tollis , D. A. Ivanov

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

We study the impact of the long-range spin-triplet proximity effect on the density of states (DOS) in planar SF1F2S Josephson junctions that consist of conventional superconductors (S) connected by two metallic monodomain ferromagnets (F1…

Superconductivity · Physics 2013-03-07 Milos Knezevic , Luka Trifunovic , Zoran Radovic

We study the effect of the domain wall on electronic transport properties in wire of ferromagnetic 3$d$ transition metals based on the linear response theory. We considered the exchange interaction between the conduction electron and the…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Gen Tatara

On the basis of phenomenological Ginzburg-Landau approach we investigate the problem of order parameter nucleation in hybrid superconductor/ferromagnetic systems with a domain structure in applied external magnetic field. Both the isolated…

Superconductivity · Physics 2009-11-10 A. Yu. Aladyshkin , A. I. Buzdin , A. A. Fraerman , A. S. Mel'nikov , D. A. Ryzhov , A. V. Sokolov

The exchange interaction at interfaces between superconductors (SCs) and ferromagnets (FMs) has been a central topic in condensed matter physics for many decades, starting with the prediction of exotic phases such as the…

Superconductivity · Physics 2025-12-09 Tao Yu , Xi-Han Zhou , Gerrit E. W. Bauer , Irina Bobkova

Superconductor$-$ferromagnetic-insulator heterostructures are paradigmatic systems for studying the mutual influence of superconductivity and magnetism via proximity effects. In particular, spin-split superconductivity is realized in such…

Superconductivity · Physics 2023-12-12 A. S. Ianovskaia , A. M. Bobkov , I. V. Bobkova

A strong mutual influence of superconductors (S) and ferromagnetic (F) conductors in hybrid F/S (Ni/Al) nanostructures is observed. The magnitude of a proximity-induced conductance on the F-side is more than two orders larger than that…

Superconductivity · Physics 2009-10-31 V. T. Petrashov , I. A. Sosnin , I. Cox , A. Parsons , C. Troadec

In superconductor/ferromagnet (S/F) heterostructures, the exchange field $h_{ex}$ of the F-layer suppresses the superconducting order parameter in the S-layer via the proximity effect. One issue in current research is the effect of a domain…

Superconductivity · Physics 2009-11-10 A. Rusanov , M. Hesselberth , S. Habraken , J. Aarts

We have measured the tunneling density of states (DOS) in a superconductor carrying a supercurrent or exposed to an external magnetic field. The pair correlations are weakened by the supercurrent, leading to a modification of the DOS and to…

Superconductivity · Physics 2009-11-10 A. Anthore , H. Pothier , D. Esteve

Superconducting heterostructures with spin-active materials have emerged as promising platforms for engineering topological superconductors featuring Majorana bound states at surfaces, edges and vortices. Here we present a method for…

Superconductivity · Physics 2012-08-09 Jens Michelsen , Roland Grein

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…

Superconductivity · Physics 2016-08-31 A. Bagrets , C. Lacroix , A. Vedyayev

We analyze the local density of states (LDOS) of heterostructures consisting of alternating ferromagnet, $F$, and superconductor, $S$, layers. We consider structures of the $SFS$ and $SFSFSFS$ type, with thin nanometer scale $F$ and $S$…

Superconductivity · Physics 2009-11-10 Klaus Halterman , Oriol T. Valls

We present the Usadel theory describing the superconducting proximity effect in heterostructures with a half-metallic layer. It is shown that the full spin polarization inside the half-metals gives rise to the giant triplet spin-valve…

Superconductivity · Physics 2015-11-30 S. Mironov , A. Buzdin

In superconducting ferromagnets the equilibrium domain structure is absent in the Meissner state, but appears in the spontaneous vortex phase (the mixed state in zero external magnetic field), though with a period, which can essentially…

Superconductivity · Physics 2019-10-01 E. B. Sonin

We describe the superconducting proximity effect taking place in a contact between a noncentrosymmetric superconductor and a diffusive normal/ferromagnetic metal within the quasiclassical theory of superconductivity. By solving numerically…

Superconductivity · Physics 2012-11-26 Gaetano Annunziata , Dirk Manske , Jacob Linder

A theory of the proximity effect in normal metal - multiband superconductor hybrid structures is formulated within the quasiclassical Green's function formalism. It is shown that the existence of multiple superconducting bands manifests…

Superconductivity · Physics 2009-11-10 A. Brinkman , A. A. Golubov , M. Yu. Kupriyanov

Based on the model of F/S/F trilayer with atomic thickness [A. Buzdin and M. Daumens, cond-mat/0305320] we discuss the relative roles of pair-breaking and proximity effects, as a function of the exchange field, of disorder and of a finite…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 R. Mélin , D. Feinberg

We study the electronic density of states in a mesoscopic superconductor near a transparent interface with a ferromagnetic metal. In our tunnel spectroscopy experiment, a substantial density of states is observed at sub-gap energies close…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 M. A. Sillanpaa , T. T. Heikkila , R. K. Lindell , P. J. Hakonen

The recent experimental demonstration of spin-polarized supercurrents offer a venue for establishment of a superconducting analogue to conventional spintronics. Whereas domain wall motion in purely magnetic structures is a well-studied…

Superconductivity · Physics 2015-06-18 Jacob Linder , Klaus Halterman