Observation of the Magneto-Thomson Effect

Ken Ichi Uchida, Masayuki Murata, Asuka Miura, Ryo Iguchi

Research output: Contribution to journalArticlepeer-review

Abstract

We report the observation of the higher-order thermoelectric conversion based on a magneto-Thomson effect. By means of thermoelectric imaging techniques, we directly observed the temperature change induced by the Thomson effect in a polycrystalline Bi88Sb12 alloy under a magnetic field and found that the magnetically enhanced Thomson coefficient can be comparable to or even larger than the Seebeck coefficient. Our experiments reveal the significant contribution of the higher-order magnetothermoelectric conversion, opening the door to "nonlinear spin caloritronics."

Original languageEnglish
Article number106601
JournalPhysical review letters
Volume125
Issue number10
DOIs
Publication statusPublished - 2020 Sep 4

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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