Thermoelectric spin diffusion in a ferromagnetic metal |
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| Authors: | Moosa Hatami Gerrit EW Bauer Saburo Takahashi Sadamichi Maekawa |
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| Institution: | 1. Institute of Solid State Physics RAS, Chernogolovka, Russia\n;2. Institute of Microelectronics Technology and High Purity Materials RAS, Chernogolovka, Russia\n;3. National Research Nuclear University \"MEPhI\", Moscow, Russia |
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| Abstract: | We present a semiclassical theory of spin diffusion in a ferromagnetic metal subject to a temperature gradient. Spin-flip scattering can generate pure thermal spin currents by short-circuiting spin channels while suppressing spin accumulations. A thermally induced spin density is locally generated when the energy dependence of the density of states is spin polarized. |
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