Observation of longitudinal spin-Seebeck effect in magnetic insulators

Uchida, Kenichi*; Adachi, Hiroto; Ota, Takeru*; Nakayama, Hiroyasu*; Maekawa, Sadamichi; Saito, Eiji

We propose a longitudinal spin-Seebeck effect, in which a magnon-induced spin current is injected parallel to a temperature gradient from a ferromagnet into an attached paramagnetic metal. The longitudinal spin-Seebeck effect is measured in a simple and versatile system composed of a ferrimagnetic insulator Y $_{3}$ Fe $_{5}$ O $_{12}$ slab and a Pt film by means of the inverse spin-Hall effect. The experimental results highlight the intriguing character of the longitudinal spin-Seebeck effect due to its own geometric configuration.

Language	:	English
Journal	:	Applied Physics Letters
Volume	:	97
Number	:	17
Pages	:	p.172505_1 - 172505_3
Publication Year/Month	:	2010/10
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Paper URL	:	https://doi.org/10.1063/1.3507386
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Keywords	:	no keyword
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Registration No. : AA20100662
JAEA Abstracts No. : 39000334
Paper Submission No. : 8565

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