Thermoelectric spin diffusion in a ferromagnetic metal

Details Thermoelectric spin diffusion in a ferromagnetic metal Thermoelectric spin diffusion in a ferromagnetic metal

2009-12-07

arxiv.org/abs/0912.1213v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

To be published in Special Issue of Solid State Communications on 'Spin Caloritronics'

Scientific paper

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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