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Related papers: Superconducting spin valves based on a single spir…

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The spin valve effect is a quantum phenomenon so far only realized in multilayer thin films or heterostructures. Here we report a strong spin valve effect existing in bulk single crystals of Ca3(Ru1-xCrx)2O7 having an anisotropic, bilayered…

Strongly Correlated Electrons · Physics 2009-11-13 G. Cao , V. Durairaj , S. Chikara , L. E. DeLong , P. Schlottmann

Spin valves are essential components in spintronic memory devices, whose conductance is modulated by controlling spin-polarized electron tunneling through the alignment of the magnetization in ferromagnetic elements. Whereas conventional…

We demonstrate theoretically that a dissipationless spin current can flow a long distance through a diffusive normal metal by using superconductors interfaced with magnetic insulators. The magnitude of this spin supercurrent is controlled…

Mesoscale and Nanoscale Physics · Physics 2015-07-15 Ingvild Gomperud , Jacob Linder

We consider the superconducting pairing induced by spin waves exchange in a ferromagnet with both conduction and localized electrons, the latter being described as spins. We use the microscopic Eliashberg theory to describe the pairing of…

Superconductivity · Physics 2019-03-27 Lev Bulaevskii , Ronivon Eneias , Alvaro Ferraz

Resonant x-ray scattering at the Dy $M_5$ and Ni $L_3$ absorption edges was used to probe the temperature and magnetic field dependence of magnetic order in epitaxial LaNiO$_3$-DyScO$_3$ superlattices. For superlattices with 2 unit cell…

Strongly Correlated Electrons · Physics 2017-06-07 M. Bluschke , A. Frano , E. Schierle , M. Minola , M. Hepting , G. Christiani , G. Logvenov , E. Weschke , E. Benckiser , B. Keimer

Graphene and transition metal dichalcogenide flat-band systems show similar phase diagrams, replete with magnetic and superconducting phases. An abiding question has been whether magnetic ordering competes with superconductivity or…

A superconducting double spin valve device is proposed. Its operation takes advantage of the interplay between the spin-filtering effect of ferromagnetic insulators and superconductivity-induced out-of-equilibrium transport. Depending on…

Mesoscale and Nanoscale Physics · Physics 2009-08-03 Francesco Giazotto

Pair spin-orbit interaction can emerge in strongly-interacting systems characterized by a large spin-orbit coupling. Here we study the role of this interaction in stabilizing ordered and unconventional superconducting phases. We find that,…

Superconductivity · Physics 2025-07-30 Feng Liu , Alessandro Principi

We present a theoretical study of spin-dependent transport through molecular wires bridging ferromagnetic metal nanocontacts. We extend to magnetic systems a recently proposed model that provides a em quantitative explanation of the…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Eldon Emberly , George Kirczenow

Superconductors that possess both broken spatial inversion symmetry and spin-orbit interactions exhibit a mix of spin singlet and triplet pairing. Here, we report on measurements of the superconducting properties of electron-doped, strained…

We show that the interaction between a superconducting order parameter and the magnetic moment of an atomic cluster in a two-dimensional s-wave superconductor with Rashba spin-orbit coupling generates magnetic anisotropy that can be…

Mesoscale and Nanoscale Physics · Physics 2017-10-24 Eugene M. Chudnovsky

A small number of superconductors are believed to exhibit intrinsic spin triplet pairing, and they are often discussed in terms of a simple, $^3$He-like picture where ferromagnetic spin fluctuations provide the "glue". However, in some…

Superconductivity · Physics 2022-04-08 Andreas Kreisel , Yundi Quan , P. J. Hirschfeld

The magneto-transport of a superconducting/ferromagnetic hybrid structure consisting of a superconducting thin film in contact with an array of magnetic nanodots in the so-called "magnetic vortex-state" exhibits interesting properties. For…

Superconductivity · Physics 2011-01-21 Javier E. Villegas , Ivan K. Schuller

Spin correlations in metallic and insulating phases of $V_2O_3$ and its derivatives are investigated using magnetic neutron scattering. Metallic samples have incommensurate spin correlations varying little with hole doping. Paramagnetic…

Strongly Correlated Electrons · Physics 2009-10-28 Wei Bao , C. Broholm , G. Aeppli , P. Dai , J. M. Honig , P. Metcalf

Spin-triplet superconductivity is a key platform for topological quantum computing, yet its experimental realization and control in solid-state materials remain a significant challenge. For this purpose, we propose an ultrafast optical…

Strongly Correlated Electrons · Physics 2025-12-29 Zecheng Shen , Chendi Xie , Wei-Chih Chen , Yao Wang

We analyze the pairing instability of an altermagnetic metal on a square lattice driven by an attractive nearest-neighbor interaction. This interaction enables multiple pairing channels, including even-parity extended $s$-wave and $d$-wave…

Superconductivity · Physics 2026-03-16 Hui Hu , Zhao Liu , Jia Wang , Xia-Ji Liu , Yoji Ohashi

Crystallographic anisotropy of the spin-dependent conductivity tensor can be exploited to generate transverse spin-polarized current in a ferromagnetic film. This ferromagnetic spin Hall effect is analogous to the spin-splitting effect in…

Materials Science · Physics 2024-02-09 K. D. Belashchenko

Since the discovery of the long-range superconducting proximity effect, the interaction between spin-triplet Cooper pairs and magnetic structures such as domain walls and vortices has been the subject of intense theoretical discussions,…

Superconductivity · Physics 2022-05-03 Remko Fermin , Dyon van Dinter , Michel Hubert , Bart Woltjes , Mikhail Silaev , Jan Aarts , Kaveh Lahabi

We present evidence of magnetically controlled guided vortex motion in a hybrid superconductor/ferromagnet nanosystem consisting of an Al film on top of a square array of permalloy square rings. When the rings are magnetized with an…

Superconductivity · Physics 2009-11-13 N. Verellen , A. V. Silhanek , V. Metlushko , W. Gillijns , F. Gozzini , B. Ilic , V. V. Moshchalkov

Spin-valve structures are usually associated with the ability to modify the resistance of electrical currents. We here demonstrate a profoundly different effect of a spin-valve. In combination with a topological insulator and…

Superconductivity · Physics 2018-10-10 Morten Amundsen , Henning G. Hugdal , Asle Sudbø , Jacob Linder