[D4-O203] Oral 203

[D4-O203-04] Effect of interfacial magnetism on spin injection/detection efficiency in Ge-based spin devices with Co₂FeAl_0.5Si_0.5/Ge Schottky tunnel junctions

*Michihiro Yamada^1,2, Takahiro Naito³, Rintaro Nishimura³, Akira Masago¹, Yu Shiratsuchi^4,1,5, Youya Wagatsuma⁶, Kentarou Sawano⁶, Ryoichi Nakatani^4,1,5, Tamio Oguchi^1,5, Kohei Hamaya^1,3,5 (1. CSRN, Osaka Univ. (Japan), 2. JST, PRESTO (Japan), 3. Grad. Sch. Eng. Sci., Osaka Univ. (Japan), 4. Grad. Sch. Eng., Osaka Univ. (Japan), 5. OTRI, Osaka Univ. (Japan), 6. Tokyo City Univ. (Japan))

Keywords:Spin injection, Germanium, Heusler alloy, Interfacial magnetism