English
Related papers

Related papers: Electrical detection of spin pumping: dc voltage g…

200 papers

We show that a supercurrent carried by spinless singlet Cooper pairs can induce a spin accumulation in the normal metal interlayer of a Josephson junction. This phenomenon occurs when a nonequilibrium spin-energy mode is excited in the…

Superconductivity · Physics 2020-10-07 Morten Amundsen , Jacob Linder

Detection of current-induced spin accumulation via ferromagnetic contacts is discussed. Onsager's relations forbid that in a two-probe configuration spins excited by currents in time-reversal symmetric systems can be detected by switching…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Inanc Adagideli , Gerrit E. W. Bauer , Bertrand I. Halperin

Using newly developed quantum-classical hybrid framework, we investigate interaction between spin-polarized conduction electrons and a single spin wave (SW) coherently excited within a metallic ferromagnetic nanowire. When the nanowire…

Mesoscale and Nanoscale Physics · Physics 2020-06-08 Abhin Suresh , Utkarsh Bajpai , Branislav K. Nikolic

The relative contribution of spin pumping and spin rectification from the ferromagnetic resonance of CoFeB/non-magnetic bilayers was investigated as a function of non-magnetic electrode resistance. Samples with highly resistive electrodes…

Materials Science · Physics 2015-06-19 Dong-Jun Kim , Sang-Il Kim , Seung-Young Park , Kyeong-Dong Lee , Byong-Guk Park

A theoretical framework is proposed for the spin-current driven synchronized self-oscillations in ferromagnets in the spin Hall geometry. The spin current generated by the spin Hall effect in a bottom nonmagnetic heavy metal excites a…

Mesoscale and Nanoscale Physics · Physics 2018-09-17 Tomohiro Taniguchi

Spin pumping is a microwave-driven means for injecting spins from a ferromagnet into the adjacent target material. The insertion of a thin antiferromagnetic layer between the ferromagnet and the target material is known to enhance the spin…

Mesoscale and Nanoscale Physics · Physics 2025-12-02 Yuto Furutani , Hayato Fukushima , Yutaka Yamamoto , Masanori Ichioka , Hiroto Adachi

Joint influence of two effects, namely, nonequilibrium spin injection by current, and current induced surface torque, on spin-valve type ferromagnetic metallic junctions is considered theoretically. The CPP configuration is assumed. The…

Materials Science · Physics 2007-05-23 R. J. Elliott , E. M. Epshtein , Yu. V. Gulyaev , P. E. Zilberman

We investigated spin injection by spin pumping from a spin-injector(NiFe) into a spin-sink to detect spin fluctuations in the spin-sink. By scanning the ordering-temperature of several magnetic transitions, we found that enhanced spin…

We show that the spin pumping from ferromagnetic insulator into the adjacent metallic spin sink can be strongly stimulated by the superconducting correlations. The key physical mechanism responsible for this effect is the presence of…

Superconductivity · Physics 2020-11-18 M. A. Silaev

We show that local injection of pure spin current into an electrically disconnected ferromagnetic - normal-metal sandwich induces electric currents, that run along closed loops inside the device, and are powered by the source of the spin…

Mesoscale and Nanoscale Physics · Physics 2017-04-28 Ya. B. Bazaliy , R. R. Ramazashvili

We provide a theoretical description of diffusive charge and spin transport in hybrid devices containing altermagnets. Based on recently derived drift--diffusion equations for coupled charge and spin dynamics and general boundary…

Mesoscale and Nanoscale Physics · Physics 2026-03-17 Nicolás Sigales , Tim Kokkeler , Gonzalo de Polsi , Sebastian Bergeret

We studied spin-dependent conductance in a normal metal (NM)/NM junction with Dresselhaus spin-orbit coupling (DSOC) and magnetization. As a reference, we also studied the spin-dependent conductance in such a junction with Rashba spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2018-04-03 Daisuke Oshima , Katsuhisa Taguchi , Yukio Tanaka

We discuss the properties of a strongly interacting spin-charge separated one dimensional system coupled to ferromagnets and/or superconductors. Our results are valid for arbitrary temperatures with respect to the spin energy, but require…

Strongly Correlated Electrons · Physics 2009-03-19 Dagim Tilahun , Gregory A. Fiete

The effect of spin filtering and spin mixing on the dc electric current for voltage biased magnetic quantum point contact with superconducting leads is theoretically studied. The I-V characteristics are calculated for the whole range of…

Superconductivity · Physics 2009-11-13 I. V. Bobkova , A. M. Bobkov

An investigation of possibilities for superconductivity mediated by spin fluctuations in some elementary metals is motivated by the recent discovery of superconductivity in the hcp high-pressure phase of iron. The electronic structure, the…

Superconductivity · Physics 2016-08-31 T. Jarlborg

Precessing ferromagnets are predicted to inject a spin current into adjacent conductors via Ohmic contacts, irrespective of a conductance mismatch with, for example, doped semiconductors. This opens the way to create a pure spin source spin…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Arne Brataas , Yaroslav Tserkovnyak , Gerrit E. W. Bauer , Bertrand I. Halperin

We experimentally investigate spin-orbit torques and spin pumping in NiFe/Pt bilayers with direct and interrupted interfaces. The damping-like and field-like torques are simultaneously measured with spin-torque ferromagnetic resonance tuned…

Mesoscale and Nanoscale Physics · Physics 2016-02-16 Tianxiang Nan , Satoru Emori , Carl T. Boone , Xinjun Wang , Trevor M. Oxholm , John G. Jones , Brandon M. Howe , Gail J. Brown , Nian X. Sun

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

The conversion of spin information into electrical signals is indispensable for spintronic technologies. Spin-to-charge conversion in ferromagnetic tunnel contacts is well-described using linear (spin-)transport equations, provided that…

Mesoscale and Nanoscale Physics · Physics 2018-10-29 R. Jansen , A. Spiesser , H. Saito , Y. Fujita , S. Yamada , K. Hamaya , S. Yuasa

The spin flip of the conduction electrons at the interface of a ferromagnetic and a nonmagnetic part of a metallic wire, suspended between two electrodes, is shown to tort the wire when a current is driven through it. In order to enhance…

Strongly Correlated Electrons · Physics 2016-10-26 Peter Fulde , Stefan Kettemann