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Spin transport at metallic interfaces is an essential ingredient of various spintronic device concepts, such as giant magnetoresistance, spin-transfer torque, and spin pumping. Spin-orbit coupling plays an important role in many such…

Mesoscale and Nanoscale Physics · Physics 2020-07-01 G. G. Baez Flores , Alexey A. Kovalev , M. van Schilfgaarde , K. D. Belashchenko

We investigate non-linear transport signatures stemming from linear and cubic spin-orbit interactions in one- and two-dimensional systems. The analytical zero-temperature response to external fields is complemented by finite temperature…

Mesoscale and Nanoscale Physics · Physics 2023-07-12 Renato M. A. Dantas , Henry F. Legg , Stefano Bosco , Daniel Loss , Jelena Klinovaja

Current-perpendicular-to-plane magnetoresistance (CPP-MR) measurements let us quantify conduction electron scattering and spin-flipping at a sputtered ferromagnetic/ferromagnetic (F1/F2 = Co/Ni) interface, with important consequences for…

Materials Science · Physics 2015-05-20 H. Y. T. Nguyen , R. Acharyya , E. Huey , B. Richard , R. Loloee , W. P. Pratt , J. Bass , Shuai Wang , Ke Xia

The fundamental aspects of spin-dependent transport processes and their interplay with temperature gradients, as given by the spin Seebeck coefficient, are still largely unexplored and a multitude of contributing factors must be considered.…

Materials Science · Physics 2014-04-23 Roman Kováčik , Phivos Mavropoulos , Daniel Wortmann , Stefan Blügel

Motivated by experimental work showing enhancement of spin transport between Yttrium Iron Garnet and Platinum by a thin antiferromagnetic insulator between them, we consider spin transport through the interface of a non-magnetic metal and…

Mesoscale and Nanoscale Physics · Physics 2024-03-29 Mahsa Seyed Heydari , Wolfgang Belzig , Niklas Rohling

Electron transport through a one-dimensional ring connected with two external leads, in the presence of spin-orbit interaction (SOI) of strength \alpha and a perpendicular magnetic field is studied. Applying Griffith's boundary conditions…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 B. Molnar , F. M. Peeters , P. Vasilopoulos

The spin mixing conductance (SMC) is a key quantity determining efficiency of spin transport across interfaces. Thus, knowledge of its precise value is required for accurate measurement of parameters quantifying numerous effects in…

Mesoscale and Nanoscale Physics · Physics 2021-01-04 Kapildeb Dolui , Utkarsh Bajpai , Branislav K. Nikolic

This paper presents the boundary conditions needed for drift-diffusion models to treat interfaces with spin-orbit coupling. Using these boundary conditions for heavy metal/ferromagnet bilayers, solutions of the drift-diffusion equations…

Mesoscale and Nanoscale Physics · Physics 2016-09-21 V. P. Amin , M. D. Stiles

Spin transfers in magnetic multilayers offers a promising pathway toward ultrafast, energy-efficient spintronic devices. In this study, we investigate the interfacial spin pumping and temperature-dependent spin current exchange in a…

Mesoscale and Nanoscale Physics · Physics 2026-02-02 Mahammad Tahir , Swati Pandey , Sourabh Manna , Rajdeep Singh Rawat , Rohit Medwal , Soumik Mukhopadhyay

We investigate theoretically spin-resolved transport, spin filtering, and nonreciprocal effects in an Altermagnet/Ising superconductor (AM/ISC) junction with a spin-active interface. Using a modified Bogoliubov-de Gennes framework within…

Superconductivity · Physics 2026-05-14 Arindam Boruah , Saumen Acharjee , Prasanta Kumar Saikia

We study the dynamics of a driven interface in a two-dimensional random-field Ising model close to the depinning transition at small but finite temperatures T using Glauber dynamics. A square lattice is considered with an interface…

Statistical Mechanics · Physics 2009-10-31 U. Nowak , K. D. Usadel

Inelastic neutron scattering is used to study the finite-temperature scaling behavior of the local dynamic structure factor in the quasi-one-dimensional quantum antiferromagnet NTENP…

Strongly Correlated Electrons · Physics 2015-07-27 M. Hälg , D. Hüvonen , T. Guidi , D. L. Quintero-Castro , M. Boehm , L. P. Regnault , M. Hagiwara , A. Zheludev

Using one of the methods of quantum nonequilibrium statistical physics we have investigated the spin transport transverse to the normal metal/ferromagnetic insulator interface in hybrid nanostructures. An approximation of the effective…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 I. I. Lyapilin , M. S. Okorokov , V. V. Ustinov

In this work, we use a combination of first-principles calculations under the density functional theory framework and heat transport simulations using the atomistic Green's function (AGF) method to quantitatively predict the contribution of…

Mesoscale and Nanoscale Physics · Physics 2017-03-01 Sridhar Sadasivam , Ning Ye , James Charles , Kai Miao , Joseph P. Feser , Tillmann Kubis , Timothy S. Fisher

The thermal interface conductance between Al and Si was simulated by a non-equilibrium molecular dynamics method. In the simulations, the coupling between electrons and phonons in Al are considered by using a stochastic force. The results…

We study the nonequilibrium Seebeck spin transport across metal-magnetic insulator interfaces. The conjugate-converted thermal-spin transport is assisted by the exchange interaction at the interface, between conduction electrons in the…

Mesoscale and Nanoscale Physics · Physics 2013-12-19 Jie Ren

In this paper the first principle noncollinear transport calculation for Cu/Co(111) including interfacial spin-flipping was performed. We modeled spin-flipping at the interface by assuming a noncollinear magnetic structure with random…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Ling Tang , Shuai Wang

A theoretical proposal for realizing and detecting spin supercurrent in an isotropic antiferromagnetic insulator is reported. Superfluid spin transport is achieved by inserting the antiferromagnet between two metallic reservoirs and…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 So Takei , Bertrand I. Halperin , Amir Yacoby , Yaroslav Tserkovnyak

The design of large-scale electronic circuits that are entirely spintronics-driven requires a current source that is highly spin-polarised at and beyond room temperature, cheap to build, efficient at the nanoscale and straightforward to…

Details are presented of an efficient formalism for calculating transmission and reflection matrices from first principles in layered materials. Within the framework of spin density functional theory and using tight-binding muffin-tin…

Materials Science · Physics 2015-06-25 K. Xia , M. Zwierzycki , M. Talanana , P. J. Kelly , G. E. W. Bauer