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Spin-mediated charge-to-heat current conversion phenomena in ferromagnetic binary alloys
Asuka Miura, Ryo Iguchi, Takeshi Seki +2
Spin-mediated charge-to-heat current conversion phenomena, i.e., the anomalous Ettingshausen effect (AEE) and the anisotropic magneto-Peltier effect (AMPE), have been investigated…
Strain-induced enhancement of the Seebeck effect in magnetic tunneling junctions via interface resonant tunneling: Ab-initio study
Kaoru Yamamoto, Keisuke Masuda, Ken-ichi Uchida +1
We investigate the thermoelectric properties of Fe/MgO/Fe(001) magnetic tunnel junctions (MTJs) by means of the linear-response theory combined with a first-principles-based Landau…
Observation of anomalous Ettingshausen effect and large transverse thermoelectric conductivity in permanent magnets
Asuka Miura, Hossein Sepehri-Amin, Keisuke Masuda +7
This study focuses on the potential of permanent magnets as thermoelectric converters. It is found that a SmCo-type magnet exhibits the large anomalous Ettingshausen effect (AE…
Transient response of spin Peltier effect revealed by lock-in thermoreflectance measurement
Takumi Yamazaki, Ryo Iguchi, Tadakatsu Ohkubo +2
Transient response of the spin Peltier effect (SPE) in a Pt/yttrium iron garnet junction system has been investigated by means of a lock-in thermoreflectance method. We applied an…
Thickness dependence of spin Peltier effect visualized by thermal imaging technique
Shunsuke Daimon, Ken-ichi Uchida, Naomi Ujiie +3
Magnon propagation length in a ferrimagnetic insulator yttrium iron garnet (YIG) has been investigated by measuring and analyzing the YIG-thickness t_YIG dependence of the spin Pel…
Thermoelectric microscopy of magnetic skyrmions
Ryo Iguchi, Shinya Kasai, Kazushige Koshikawa +3
The magnetic skyrmion is a nanoscale topological object characterized by the winding of the magnetic moments, appearing in magnetic materials with broken inversion symmetry. Becaus…