Abstract
We have theoretically investigated the spin Hall magnetoresistance (SMR) and Rashba-Edelstein magnetoresistance (REMR), mediated by spin currents, in a ferrimagnetic insulator/nonmagnetic 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.
| Original language | English |
|---|---|
| Article number | 040306 |
| Journal | Japanese journal of applied physics |
| Volume | 56 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 2017 |
ASJC Scopus subject areas
- Engineering(all)
- Physics and Astronomy(all)
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Spin-current-induced magnetoresistance in trilayer structure with nonmagnetic metallic interlayer. / Iguchi, Ryo; Sato, Koji; Uchida, Ken Ichi et al.
In: Japanese journal of applied physics, Vol. 56, No. 4, 040306, 2017.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Spin-current-induced magnetoresistance in trilayer structure with nonmagnetic metallic interlayer
AU - Iguchi, Ryo
AU - Sato, Koji
AU - Uchida, Ken Ichi
AU - Saitoh, Eiji
N1 - Funding Information: Ryo Iguchi Koji Sato Ken-ichi Uchida Eiji Saitoh Ryo Iguchi Koji Sato Ken-ichi Uchida Eiji Saitoh Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan WPI Advanced Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan National Institute for Materials Science, Tsukuba, Ibaraki 305-0047, Japan PRESTO, Japan Science and Technology Agency, Kawaguchi, Saitama 332-0012, Japan Center for Spintronics Research Network, Tohoku University, Sendai 980-8577, Japan Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan Ryo Iguchi, Koji Sato, Ken-ichi Uchida and Eiji Saitoh 2017-04-01 2017-03-16 10:31:22 cgi/release: Article released bin/incoming: New from .zip Content from this work may be used under the terms of the Creative Commons Attribution 4.0 license . Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Japan Society for the Promotion of Science https://doi.org/10.13039/501100001691 JP15H02012 JP26103005 yes We have theoretically investigated the spin Hall magnetoresistance (SMR) and Rashba–Edelstein magnetoresistance (REMR), mediated by spin currents, in a ferrimagnetic insulator/nonmagnetic 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. � 2017 The Japan Society of Applied Physics [1] Žutić I., Fabian J. and Das Sarma S. 2004 Rev. Mod. Phys. 76 323 10.1103/RevModPhys.76.323 Žutić I., Fabian J. and Das Sarma S. Rev. Mod. Phys. 0034-6861 76 2004 323 [2] Fert A. 2008 Rev. Mod. 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PY - 2017
Y1 - 2017
N2 - We have theoretically investigated the spin Hall magnetoresistance (SMR) and Rashba-Edelstein magnetoresistance (REMR), mediated by spin currents, in a ferrimagnetic insulator/nonmagnetic 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.
AB - We have theoretically investigated the spin Hall magnetoresistance (SMR) and Rashba-Edelstein magnetoresistance (REMR), mediated by spin currents, in a ferrimagnetic insulator/nonmagnetic 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.
UR - http://www.scopus.com/inward/record.url?scp=85026369131&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85026369131&partnerID=8YFLogxK
U2 - 10.7567/JJAP.56.040306
DO - 10.7567/JJAP.56.040306
M3 - Article
AN - SCOPUS:85026369131
VL - 56
JO - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes
JF - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes
SN - 0021-4922
IS - 4
M1 - 040306
ER -