Spin pumping in a ferromagnetic/nonmagnetic/spin-sink trilayer film: Spin current termination

K. Harii; Z. Qiu; T. Iwashita; Y. Kajiwara; K. Uchida; K. Ando; T. An; Y. Fujikawa; E. Saitoh

doi:10.4028/www.scientific.net/KEM.508.266

Spin pumping in a ferromagnetic/nonmagnetic/spin-sink trilayer film: Spin current termination

K. Harii, Z. Qiu, T. Iwashita, Y. Kajiwara, K. Uchida, K. Ando, T. An, Y. Fujikawa, E. Saitoh

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

10 Citations (Scopus)

Abstract

A spin current generated by spin pumping in a ferromagnetic/nonmagnetic/ spin-sink trilayer film is calculated based on the spin pumping theory and the standard spin diffusion equation. By attaching the spin-sink layer, the injected spin current is drastically enhanced when the interlayer thickness is shorter than the spin diffusion length of the interlayer. We also provided the formula of the charge current which is induced from the pumped spin current via the inverse spin-Hall effect.

Original language	English
Title of host publication	Materials Integration
Publisher	Trans Tech Publications Ltd
Pages	266-270
Number of pages	5
ISBN (Print)	9783037853764
DOIs	https://doi.org/10.4028/www.scientific.net/KEM.508.266
Publication status	Published - 2012
Event	Int. Symposium of GCOE: Materials Integration, in Conjunction with the 2nd Int. Symposium on Advanced Synthesis and Processing Technology for Materials, ASPT 2011 and the 8th Materials Science School for Young Scientists, KINKEN-WAKATE 2011 - Sendai, Japan Duration: 2011 Dec 1 → 2011 Dec 2

Publication series

Name	Key Engineering Materials
Volume	508
ISSN (Print)	1013-9826
ISSN (Electronic)	1662-9795

Other

Other	Int. Symposium of GCOE: Materials Integration, in Conjunction with the 2nd Int. Symposium on Advanced Synthesis and Processing Technology for Materials, ASPT 2011 and the 8th Materials Science School for Young Scientists, KINKEN-WAKATE 2011
Country/Territory	Japan
City	Sendai
Period	11/12/1 → 11/12/2

Keywords

Ferromagnetic resonance
Spin current
Spin pumping
Spin-Hall effect

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

Access to Document

10.4028/www.scientific.net/KEM.508.266

Cite this

Harii, K., Qiu, Z., Iwashita, T., Kajiwara, Y., Uchida, K., Ando, K., An, T., Fujikawa, Y., & Saitoh, E. (2012). Spin pumping in a ferromagnetic/nonmagnetic/spin-sink trilayer film: Spin current termination. In Materials Integration (pp. 266-270). (Key Engineering Materials; Vol. 508). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/KEM.508.266

Spin pumping in a ferromagnetic/nonmagnetic/spin-sink trilayer film : Spin current termination. / Harii, K.; Qiu, Z.; Iwashita, T.; Kajiwara, Y.; Uchida, K.; Ando, K.; An, T.; Fujikawa, Y.; Saitoh, E.

Materials Integration. Trans Tech Publications Ltd, 2012. p. 266-270 (Key Engineering Materials; Vol. 508).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Harii, K, Qiu, Z, Iwashita, T, Kajiwara, Y, Uchida, K, Ando, K, An, T, Fujikawa, Y & Saitoh, E 2012, Spin pumping in a ferromagnetic/nonmagnetic/spin-sink trilayer film: Spin current termination. in Materials Integration. Key Engineering Materials, vol. 508, Trans Tech Publications Ltd, pp. 266-270, Int. Symposium of GCOE: Materials Integration, in Conjunction with the 2nd Int. Symposium on Advanced Synthesis and Processing Technology for Materials, ASPT 2011 and the 8th Materials Science School for Young Scientists, KINKEN-WAKATE 2011, Sendai, Japan, 11/12/1. https://doi.org/10.4028/www.scientific.net/KEM.508.266

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abstract = "A spin current generated by spin pumping in a ferromagnetic/nonmagnetic/ spin-sink trilayer film is calculated based on the spin pumping theory and the standard spin diffusion equation. By attaching the spin-sink layer, the injected spin current is drastically enhanced when the interlayer thickness is shorter than the spin diffusion length of the interlayer. We also provided the formula of the charge current which is induced from the pumped spin current via the inverse spin-Hall effect.",

keywords = "Ferromagnetic resonance, Spin current, Spin pumping, Spin-Hall effect",

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AB - A spin current generated by spin pumping in a ferromagnetic/nonmagnetic/ spin-sink trilayer film is calculated based on the spin pumping theory and the standard spin diffusion equation. By attaching the spin-sink layer, the injected spin current is drastically enhanced when the interlayer thickness is shorter than the spin diffusion length of the interlayer. We also provided the formula of the charge current which is induced from the pumped spin current via the inverse spin-Hall effect.

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Spin pumping in a ferromagnetic/nonmagnetic/spin-sink trilayer film: Spin current termination

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Keywords

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