Magnon-polaron transport in the nonlocal spin Seebeck effect

Koichi Oyanagi; Ludo Cornelissen; Takashi Kikkawa; Zhiyong Qiu; Timo Kuschel; Gerrit Bauer; Bart van Wees; Eiji Saitoh

Presentation information

Oral presentation

10 Spintronics and Magnetics » 10.2 Fundamental and exploratory device technologies for spin

[7a-C18-1~9] 10.2 Fundamental and exploratory device technologies for spin

10.1と10.2と10.3のコードシェアセッションあり

Thu. Sep 7, 2017 9:00 AM - 11:15 AM C18 (C18)

Kohei Ohnishi(Kyushu Univ.)

10:15 AM - 10:30 AM

▼ [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)

Keywords: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.