In CrSiTe3/Pt and CrGeTe3/Pt, the longitudinal spin Seebeck signal persists above the Curie temperature, attributed to exchange-driven interlayer spin transport.
Quantum thermodynamics of complex ferrimagnets
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abstract
High-quality magnets such as yttrium iron garnet (YIG) are electrically insulating and very complex. By implementing a quantum thermostat into atomistic spin dynamics we compute YIG's key thermodynamic properties, viz. the magnon power spectrum and specific heat, for a large temperature range. The results differ (sometimes spectacularly) from simple models and classical statistics, but agree with available experimental data.
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cond-mat.mtrl-sci 1years
2019 1verdicts
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Spin Seebeck effect in the layered ferromagnetic insulators CrSiTe$_3$ and CrGeTe$_3$
In CrSiTe3/Pt and CrGeTe3/Pt, the longitudinal spin Seebeck signal persists above the Curie temperature, attributed to exchange-driven interlayer spin transport.