[7a-C18-1~9] 10.2 スピン基盤技術・萌芽的デバイス技術

▼ [7a-C18-6] Magnon-polaron transport in the nonlocal spin Seebeck effect

〇(D)Koichi Oyanagi¹、Ludo Cornelissen²、Takashi Kikkawa^1,3、Zhiyong Qiu³、Timo Kuschel²、Gerrit Bauer^1,2,3,4、Bart van Wees²、Eiji Saitoh^1,3,4,5 (1.IMR, Tohoku Univ.、2.Univ. of Groningen、3.AIMR, Tohoku Univ.、4.CSRN, Tohoku Univ.、5.ASRC, JAEA)

キーワード：Spin Seebck effect, Spin current, Nonlocal measurement

Magnetic field dependence of the nonlocal spin Seebeck effects (nlSSEs) in a lateral Pt/Y₃Fe₅O₁₂ (YIG)/Pt system has been investigated at various temperatures. We found that a clear dip structure appears due to the magnon-phonon hybrid excitation, magnon polarons in the nlSSE voltage.