Spin-current-induced magnetoresistance in trilayer structure with nonmagnetic metallic interlayer

Iguchi Ryo; Sato Koji; Uchida Ken-ichi; Saitoh Eiji

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Spin-current-induced magnetoresistance in trilayer structure with nonmagnetic metallic interlayer

机译：具有非磁性金属夹层的三层结构中的自旋电流感应磁阻

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We have theoretically investigated the spin Hall magnetoresistance (SMR) and Rashba-Edelstein magnetoresistance (REMR), mediated by spin currents, in a ferrimagnetic insulatoronmagnetic metal/heavy metal system in the diffusive regime. The magnitude of both SMR and REMR decreases with increasing thickness of the interlayer because of the current shunting effect and the reduction in spin accumulation across the interlayer. The latter contribution is due to driving a spin current and persists even in the absence of spin relaxation, which is essential for understanding the magnetoresistance ratio in trilayer structures. (C) 2017 The Japan Society of Applied Physics

机译：我们从理论上研究了在扩散状态下，亚铁磁绝缘体/非磁性金属/重金属系统中，自旋电流介导的自旋霍尔磁阻（SMR）和Rashba-Edelstein磁阻（REMR）。 SMR和REMR的幅度都随着夹层厚度的增加而减小，这是因为电流分流效应以及跨夹层的自旋积累的减少。后者的贡献是由于驱动自旋电流，即使没有自旋弛豫也持续存在，这对于理解三层结构中的磁阻比至关重要。（C）2017日本应用物理学会

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来源
《Japanese journal of applied physics》 |2017年第4期|040306.1-040306.4|共4页
作者
Iguchi Ryo; Sato Koji; Uchida Ken-ichi; Saitoh Eiji;
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Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan;

Tohoku Univ, WPI Adv Inst Mat Res, Sendai, Miyagi 9808577, Japan;

Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan|Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan|Japan Sci & Technol Agcy, PRESTO, Kawaguchi, Saitama 3320012, Japan|Tohoku Univ, Ctr Spintron Res Network, Sendai, Miyagi 9808577, Japan;

Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan|Tohoku Univ, WPI Adv Inst Mat Res, Sendai, Miyagi 9808577, Japan|Tohoku Univ, Ctr Spintron Res Network, Sendai, Miyagi 9808577, Japan|Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan;

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1. Conductance, magnetoresistance, and interlayer exchange coupling in magnetic tunnel junctions with nonmagnetic metallic spacers and finite thick ferromagnetic layers [J] . Zhang WS., Li Y., Li BZ. Physical Review, B. Condensed Matter . 1998,第22期

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2. Magnetoresistance and Interlayer Exchange Coupling in Ferromagnetic/Nonmagnetic/Insulator(Semiconductor)/Ferromagnetic Tunnel Junctions [J] . 张武寿, 李伯臧中国物理快报：英文版 . 1998,第004期

机译：铁磁性/非磁性/绝缘子（半导体）/铁磁隧道连接中的磁阻和层间交换耦合
3. Interlayer exchange coupling, dipolar coupling and magnetoresistance in Fe/MgO/Fe trilayers with a subnanometer MgO barrier [J] . A. Koziol-Rachwal, W. Skowronski, M. Frankowski, Journal of magnetism and magnetic materials . 2017,第feba期

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4. Influence of diffuse interfaces on the magnetoresistance in trilayer magnetic structures [C] . Marina V. Mamonova, Vladimir V. Prudnikov, Pavel V. Prudnikov, Euro-Asian Symposium "Trends in Magnetism" . 2020

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Spin-current-induced magnetoresistance in trilayer structure with nonmagnetic metallic interlayer

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