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- W4313429922 abstract "Abstract Spin injection using ferromagnetic semiconductors at room temperature is a building block for the realization of spin-functional semiconductor devices. Nevertheless, this has been very challenging due to the lack of reliable room-temperature ferromagnetism in well-known group IV and III-V based semiconductors. Here, we demonstrate room-temperature spin injection by using spin pumping in a (Ga,Fe)Sb / BiSb heterostructure, where (Ga,Fe)Sb is a ferromagnetic semiconductor (FMS) with high Curie temperature (TC) and BiSb is a topological insulator (TI). Despite the very small magnetization of (Ga,Fe)Sb at room temperature (45 emu/cc), we detected spin injection from (Ga,Fe)Sb by utilizing the large inverse spin Hall effect (ISHE) in BiSb. Our study provides the first demonstration of spin injection at room temperature from a FMS." @default.
- W4313429922 created "2023-01-06" @default.
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- W4313429922 date "2023-01-03" @default.
- W4313429922 modified "2023-10-18" @default.
- W4313429922 title "Room-temperature spin injection from a ferromagnetic semiconductor" @default.
- W4313429922 doi "https://doi.org/10.21203/rs.3.rs-2417178/v1" @default.
- W4313429922 hasPublicationYear "2023" @default.
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