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Spin Nernst Angle: Definition and qualitative Estimation for Cu Alloys

Zahn, P.; Gemming, S.


The spin Nernst effect describes the occurrence of a spin current perpendicular to an applied thermal gradient and the spin quantization axis in a non-magnetic material. To quantify the effect, the spin Nernst angle will be defined in a more general way than in ref. [1]. This allows for a clear separation of the transverse spin current into two opposite contributions proportional to the spin Hall angle and the spin Nernst angle, respectively. Qualitative trends for Cu alloys with 3d, 4d and 5d defects extending a resonant scattering model by Fert and Levy [2] will be presented.
The work was partially supported by the Initiative and Networking Fund of the German Helmholtz Association, Helmholtz Virtual Institute MEMRIOX (VH-VI-442) and the DFG Priority Program 'Nanostructured Thermoelectrics' (ZA264/3-2).
[1] K. Tauber et al., Phys. Rev. Lett. 109, 026601 (2012)
[2] A. Fert and P.M. Levy, Phys. Rev. Lett. 106, 157208 (2011)

  • Poster
    550. WE-Heraeus-Seminar 'Spin Transport beyond Boltzmann', 08.-10.01.2014, Bad Honnef, Deutschland


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