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Related papers: Spin-Flipping in Pt and at Co/Pt Interfaces

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We investigate the diffusive electron transport in conductors with spatially inhomogeneous magnetic properties taking into account both impurity and normal scattering. It is found that the additional interface resistance that arises due to…

Mesoscale and Nanoscale Physics · Physics 2011-09-06 R. N. Gurzhi , A. N. Kalinenko , A. I. Kopeliovich , P. V. Pyshkin , A. V. Yanovsky

We study spin transport through a normal metal-spin superconductor junction. A spin-flip reflection is demonstrated at the interface, where a spin-up electron incident from the normal metal can be reflected as a spin-down electron and the…

Superconductivity · Physics 2017-11-20 Peng Lv , Ai-Min Guo , Huaiyu Li , Chunxiao Liu , X. C. Xie , Qing-Feng Sun

Using long-distance lateral devices, spin transport near the interface of Si and its native oxide (SiO2) is studied by spin-valve measurements in an in-plane magnetic field and spin precession measurements in a perpendicular magnetic field…

Materials Science · Physics 2013-05-29 Hyuk-Jae Jang , Ian Appelbaum

A proton spin-polarizability characterizing backward Compton scattering has been extracted from a dispersion analysis of data between 33 and 309 MeV. This backward spin-polarizability, "delta" = 27.1 +/-2.2(stat+sys) +2.8/-2.4(model) in…

Nuclear Theory · Physics 2009-10-31 J. Tonnison , A. M. Sandorfi , S. Hoblit , A. M. Nathan

We report magnetoresistance measurements on thin Pt bars grown on epitaxial (001) and (111) CoFe2O4 (CFO) ferrimagnetic insulating films. The results can be described in terms of the recently discovered spin Hall magnetoresistance (SMR).…

We have determined the spin-memory-loss parameter, $\delta_{Co/Ru}$, by measuring the transmission of spin-triplet and spin-singlet Cooper pairs across Co/Ru interfaces in Josephson junctions and by Current-Perpendicular-to-Plane Giant…

Mesoscale and Nanoscale Physics · Physics 2012-08-27 Mazin A. Khasawneh , Carolin Klose , W. P. Pratt, , Norman O. Birge

FM1/NM/FM2 trilayers have garnered considerable attention because of their potential in spintronic applications. A thorough investigation of the spin transport properties of these trilayers is therefore important. Asymmetric trilayers,…

We experimentally confirmed that the spin-orbit lengths of noble metals obtained from weak anti-localization measurements are comparable to the spin diffusion lengths determined from lateral spin valve ones. Even for metals with strong…

Mesoscale and Nanoscale Physics · Physics 2013-01-08 Yasuhiro Niimi , Dahai Wei , Hiroshi Idzuchi , Taro Wakamura , Takeo Kato , YoshiChika Otani

Ferromagnetic films with perpendicular magnetic anisotropy are of interest in spintronics and superconducting spintronics. Perpendicular magnetic anisotropy can be achieved in thin ferromagnetic multilayer structures, when the anisotropy is…

Mesoscale and Nanoscale Physics · Physics 2023-06-01 N. Satchell , S. Gupta , M. Maheshwari , P. M. Shepley , M. Rogers , O. Cespedes , G. Burnell

To develop new devices based on synthetic ferrimagnetic heterostructures, understanding the material's physical properties is pivotal. Here, the induced magnetic moment (IMM), magnetic exchange coupling, and spin textures are investigated…

Spin transport phenomena underpin an extensive range of spintronic effects. In particular spin transport across interfaces occurs in most device concepts, but is so far poorly understood. As interface properties strongly impact spin…

Materials Science · Physics 2021-05-19 Alexander Pfeiffer , Robert M. Reeve , Kelvin Elphick , Atsufumi Hirohata , Mathias Kläui

We have experimentally and theoretically investigated the electron spin transport and spin distribution at room temperature in a Si two-dimensional (2D) inversion channel of back-gate-type spin metal-oxide-semiconductor field-effect…

Applied Physics · Physics 2020-07-22 Shoichi Sato , Masaaki Tanaka , Ryosho Nakane

The discontinuity of a spin-current through an interface caused by spin-orbit coupling is characterized by the spin memory loss (SML) parameter {\delta}. We use first-principles scattering theory and a recently developed local current…

Mesoscale and Nanoscale Physics · Physics 2021-05-06 Kriti Gupta , Rien J. H. Wesselink , Ruixi Liu , Zhe Yuan , Paul J. Kelly

The spin dependent reflection at the interface is the key element to understand the spin transport. By completely solving the scattering problem based on first principles method, we obtained the spin resolved reflectivity spectra. The…

Materials Science · Physics 2009-11-13 Yuan Xu , Xi Mi , Y. Z. Wu , Ke Xia

The enhancement of Gilbert damping observed for Ni80Fe20 (Py) films in contact with the non-magnetic metals Cu, Pd, Ta and Pt, is quantitatively reproduced using first-principles scattering theory. The "spin-pumping" theory that…

Materials Science · Physics 2014-11-19 Yi Liu , Zhe Yuan , R. J. H. Wesselink , Anton A. Starikov , Paul J. Kelly

We show that Py, a commonly-used soft ferromagnetic material with weak anisotropy, can become perpendicularly-magnetized while depositing on Ta buffer layer with Hf or Zr insertion layers (ILs) and MgO capping layer. By using two different…

Materials Science · Physics 2019-07-23 Tian-Yue Chen , Yongxi Ou , Tsung-Yu Tsai , Robert A. Buhrman , Chi-Feng Pai

The spin-dependence of the interface resistance between ferromagnetic Fe and InAs is calculated from first-principles for specular and disordered (001) interfaces. Because of the symmetry mismatch in the minority-spin channel, the specular…

Materials Science · Physics 2009-11-07 M. Zwierzycki , K. Xia , P. J. Kelly , G. E. W. Bauer , I. Turek

We compute the spin-active scattering matrix and the local spectrum at the interface between a metal and a three-dimensional topological band insulator. We show that there exists a critical incident angle at which complete (100%) spin flip…

Mesoscale and Nanoscale Physics · Physics 2011-01-18 Erhai Zhao , Chun Zhang , Mahmoud Lababidi

We theoretically investigate electron spin injection and spin-polarization sensitive current detection at Schottky contacts between a ferromagnetic metal and an n-type or p-type semiconductor. We use spin-dependent continuity equations and…

Condensed Matter · Physics 2009-11-10 J. D. Albrecht , D. L. Smith

We study inserting Co layer thickness-dependent spin transport and spin-orbit torques (SOTs) in the Pt/Co/Py trilayers by spin-torque ferromagnetic resonance. The interfacial perpendicular magnetic anisotropy energy density ($K_s =…

Mesoscale and Nanoscale Physics · Physics 2022-09-07 Wenqiang Wang , Kaiyuan Zhou , Xiang Zhan , Zui Tao , Qingwei Fu , Like Liang , Zishuang Li , Lina Chen , Chunjie Yan , Haotian Li , Tiejun Zhou , Ronghua Liu