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One of the most famous proximity effects at ferromagnet/superconductor (F/S) interfaces is partial conversion of singlet superconductivity to triplet pairing correlations. Due to the presence of macroscopic exchange field in the ferromagnet…

超导电性 · 物理学 2023-11-28 G. A. Bobkov , V. M. Gordeeva , A. M. Bobkov , I. V. Bobkova

We investigate superconducting phase transition in superconductor(S)/ferromagnet(F) bilayer with Rasba spin-orbit interaction at S/F interface. This spin-orbit coupling produces spontaneous supercurrents flowing inside the atomic-thickness…

超导电性 · 物理学 2021-02-12 Zh. Devizorova , A. V. Putilov , I. Chaykin , S. Mironov , A. I. Buzdin

When both inversion and time-reversal symmetries are broken, the critical current of a superconductor can be nonreciprocal. In this work we show that in certain classes of two-dimensional superconductors with antisymmetric spin-orbit…

超导电性 · 物理学 2022-05-11 Noah F. Q. Yuan , Liang Fu

The search for superconducting systems exhibiting nonreciprocal transport and, specifically, the diode effect, has proliferated in recent years. This trend encompasses a wide variety of systems, including planar hybrid structures,…

超导电性 · 物理学 2024-02-28 Tim Kokkeler , Ilya Tokatly , Sebastian Bergeret

Ferromagnetic insulators can induce a strong exchange field in an adjacent superconductor via the magnetic proximity effect. This manifests as spin-splitting of the BCS density of states of the superconductor, an important ingredient for…

A ferromagnetic insulator (FI) attached to a conventional superconductor (S) changes drastically the properties of the latter. Specifically, the exchange field at the FI/S interface leads to a splitting of the superconducting density of…

超导电性 · 物理学 2020-09-21 Tero T Heikkilä , Mikhail Silaev , Pauli Virtanen , F. Sebastian Bergeret

The interaction between superconductivity and ferromagnetism in thin film superconductor/ferromagnet heterostructures is usually reflected by a change in superconductivity of the S layer set by the magnetic state of the F layers. Here we…

As per de Gennes predictions, a superconducting layer placed between two ferromagnetic insulators can drive an antiferromagnetic exchange coupling between them. Using two ferromagneticinsulating GdN layers having dissimilar switching fields…

超导电性 · 物理学 2025-07-01 Sonam Bhakat , Avradeep Pal

Spin-singlet Cooper pairs consisting of two electrons with opposite spins cannot directly penetrate from a superconductor to a half-metal (fully spin polarized ferromagnets) which blocks the superconducting proximity effect between these…

超导电性 · 物理学 2019-09-04 Zh. Devizorova , S. Mironov

We present a theoretical investigation of anisotropic superconducting spin transport at a magnetic interface between a p-wave superconductor and a ferromagnetic insulator. Our formulation describes the ferromagnetic resonance modulations…

超导电性 · 物理学 2022-10-18 Yuya Ominato , Ai Yamakage , Mamoru Matsuo

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…

超导电性 · 物理学 2023-12-12 A. S. Ianovskaia , A. M. Bobkov , I. V. Bobkova

The response of ultra-thin superconducting materials under parallel magnetic fields is often leveraged to obtain insight into the nature of the condensate, including features attributable to unconventional forms of pairing. Despite there…

超导电性 · 物理学 2026-05-08 Reiley Dorrian , Mizuki Ohno , Elena Williams , Adrian Llanos , Joseph Falson

We report transport studies of hybrid Josephson junctions based on semiconducting InAs nanowires with fully overlapping epitaxial ferromagnetic insulator EuS and superconducting Al partial shells. Current-biased measurements reveal a…

介观与纳米尺度物理 · 物理学 2026-03-05 J. Zhao , A. Mazanik , D. Razmadze , Y. Liu , P. Krogstrup , F. S. Bergeret , S. Vaitiekėnas

The electron transport though ferromagnetic metal-superconducting hybrid devices is considered in the non-equilibrium Green's function formalism in the quasiclassical approximation. Attention if focused on the limit in which the exchange…

超导电性 · 物理学 2009-10-31 W. Belzig , Arne Brataas , Yu. V. Nazarov , Gerrit E. W. Bauer

The coupling between two ferromagnets separated by a superconductor has been mostly investigated for the case of Cooper pairs with spin-singlet symmetry. Here, we consider a spin-triplet superconductor with chiral pairing. By full…

超导电性 · 物理学 2024-08-20 Alfonso Romano , Canio Noce , Mario Cuoco

A superconductor with broken time reversal and inversion symmetry may exhibit nonreciprocal charge transport, including a nonreciprocal critical current, also known as superconducting diode effect. We report an intrinsic superconducting…

超导电性 · 物理学 2023-03-30 Robert Kealhofer , Hanbyeol Jeong , Arman Rashidi , Leon Balents , Susanne Stemmer

We demonstrate that the hybrid structures consisting of a superconducting layer with an adjacent spin-textured ferromagnet demonstrate the variety of equilibrium magnetoelectric effects originating from coupling between the conduction…

超导电性 · 物理学 2019-06-18 D. S. Rabinovich , I. V. Bobkova , A. M. Bobkov , M. A. Silaev

Transport measurements are presented on thin-film superconducting spin-valve systems, where the controlled non-collinear arrangement of two ferromagnetic Co layers can be used to influence the superconducting state of Nb. We observe a very…

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 investigate theoretically the interplay of proximity effects due to the presence of a superconductor and normal ferromagnetic leads on the formation of the spintronic quadrupolar exchange field in a large-spin molecule. We show that the…

介观与纳米尺度物理 · 物理学 2019-07-03 Krzysztof P. Wójcik , Maciej Misiorny , Ireneusz Weymann
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