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Related papers: Long-range proximity effect in Nb-based heterostru…

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Measurements of the polar Kerr effect using a zero-area-loop Sagnac magnetometer on Pb/Ni and Al/(Co-Pd) proximity-effect bilayers show unambiguous evidence for the "inverse proximity effect," in which the ferromagnet (F) induces a finite…

Superconductivity · Physics 2009-11-13 Jing Xia , V. Shelukhin , M. Karpovski , A. Kapitulnik , A. Palevski

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 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…

The phenomenon of s-wave spin triplet Cooper pairs induced in ferromagnetic metals has been researched now for more than a decade, and its main aspects are well understood. Crucial in converting s-wave singlet pairs in the superconductor to…

Superconductivity · Physics 2023-05-03 Remko Fermin , Junxiang Yao , Kaveh Lahabi , Jan Aarts

We study the physical properties of a ballistic heterostructure made of a ferromagnet (FM) and a spin-triplet superconductor (TSC) with a layered structure stacking along the direction perpendicular to the planes where a chiral px+ipy…

Superconductivity · Physics 2013-10-25 Damien Terrade , Paola Gentile , Mario Cuoco , Dirk Manske

We study a triplet spin valve obtained by intercalating a triplet superconductor spacer between two ferromagnetic regions with non-collinear magnetizations. We demonstrate that the magnetoresitance of the triplet spin valve depends on the…

Mesoscale and Nanoscale Physics · Physics 2013-12-02 F. Romeo , R. Citro

The experimental achievements during the past year in demonstrating the existence of long-ranged spin-triplet supercurrents in ferromagnets proximity coupled to singlet superconductors open up the possibility for new interesting physics and…

Superconductivity · Physics 2012-09-25 Gábor B. Halász , M. G. Blamire , J. W. A. Robinson

We propose that screened pairing interactions mediated by phonons could give rise to a spin triplet superconductivity in ferromagnetic compounds such as UGe_2. It is pointed out that the pairing interactions include anisotropic components…

Superconductivity · Physics 2009-10-31 Hiroshi Shimahara , Mahito Kohmoto

This work discusses theoretically the interplay between the superconducting and ferromagnetic proximity effects, in a diffusive normal metal strip in contact with a superconductor and a non-uniformly magnetized ferromagnetic insulator. The…

Superconductivity · Physics 2011-10-18 Audrey Cottet

We discuss the Josephson effect in strongly spin-polarized ferromagnets where triplet correlations are induced by means of spin-active interface scattering, extending our earlier work [Phys. Rev. Lett. 102, 227005 (2009)] by including…

Superconductivity · Physics 2015-09-09 Roland Grein , Tomas Lofwander , Matthias Eschrig

The design of spin-transport based devices such as magnon transistors or spin valves will require multilayer systems composed of different magnetic materials with different physical properties. Such layered structures can show various…

Materials Science · Physics 2022-03-23 Verena Brehm , Martin Evers , Ulrike Ritzmann , Ulrich Nowak

Motivated by the possible non-spin-singlet superconductivity in the magic-angle twisted trilayer graphene experiment, we investigate the triplet-pairing superconductivity arising from a correlation-induced spin-fermion model on a honeycomb…

Superconductivity · Physics 2021-11-18 Yang-Zhi Chou , Fengcheng Wu , Jay D. Sau , Sankar Das Sarma

Josephson junctions with s-wave superconductors (S) and multiple ferromagnetic (F) layers carry spin-triplet supercurrents in the presence of magnetically inhomogeneous spin-mixer interfaces. Here, we report magnetic Josephson junctions…

We observe an unconventional superconducting minigap induced into a ferromagnet SrRuO$_3$ from a spin-triplet superconductor Sr$_2$RuO$_4$ using a Au/SrTiO$_3$/SrRuO$_3$/Sr$_2$RuO$_4$ tunnel junction. Voltage bias differential conductance…

The spin-triplet correlations in superconducting spin valve structures arising in the presence of noncollinear textures of magnetic moment are shown to enhance strongly the electromagnetic proximity effect, i. e. the long-range leakage of…

Superconductivity · Physics 2019-08-19 Zh. Devizorova , S. V. Mironov , A. S. Mel'nikov , A. Buzdin

We propose a novel experiment to identify the symmetry of superconductivity on the basis of theoretical results for differential conductance of a normal metal connected to a superconductor. The proximity effect from the superconductor…

Superconductivity · Physics 2007-08-13 Yasuhiro Asano , Yukio Tanaka , Alexander A. Golubov , Satoshi Kashiwaya

We study proximity effects at ferromagnet superconductor interfaces by self-consistent numerical solution of the Bogoliubov-de Gennes equations for the continuum, without any approximations. Our procedures allow us to study systems with…

Superconductivity · Physics 2009-11-07 Klaus Halterman , Oriol T. Valls

We present the generalized quasiclassical theory of the long-range superconducting proximity effect in heterostructures with strong ferromagnets, where the exchange splitting is of the order of Fermi energy. In the ferromagnet the…

Superconductivity · Physics 2017-09-13 I. V. Bobkova , A. M. Bobkov , M. A. Silaev

Thanks to the discovery in the last decade of three uranium ferromagnetic superconductors, UGe2, URhGe and UCoGe, the fascinating aspects of the interplay between the triplet state of Cooper pairing and ferromagnetism have emerged.…

Strongly Correlated Electrons · Physics 2011-07-19 Dai Aoki , Frederic Hardy , Atsushi Miyake , Valentin Taufour , Tatsuma D. Matsuda , Jacques Flouquet

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
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