Observation of longitudinal spin-Seebeck effect in magnetic insulators

Ken Ichi Uchida, Hiroto Adachi, Takeru Ota, Hiroyasu Nakayama, Sadamichi Maekawa, Eiji Saitoh

Research output: Contribution to journalArticlepeer-review

646 Citations (Scopus)


We propose a longitudinal spin-Seebeck effect (SSE), in which a magnon-induced spin current is injected parallel to a temperature gradient from a ferromagnet into an attached paramagnetic metal. The longitudinal SSE is measured in a simple and versatile system composed of a ferrimagnetic insulator Y3 Fe5 O12 slab and a Pt film by means of the inverse spin-Hall effect. The experimental results highlight the intriguing character of the longitudinal SSE due to its own geometric configuration.

Original languageEnglish
Article number172505
JournalApplied Physics Letters
Issue number17
Publication statusPublished - 2010 Oct 25


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