Sub-microsecond fast temporal evolution of the spin Seebeck effect

M. Agrawal; V. I. Vasyuchka; A. A. Serga; A. Kirihara; P. Pirro; T. Langner; M. B. Jungfleisch; A. V. Chumak; E. Th. Papaioannou; B. Hillebrands

doi:10.1103/PhysRevB.89.224414

Sub-microsecond fast temporal evolution of the spin Seebeck effect

Materials Science 2014-06-27 v1

Authors: M. Agrawal , V. I. Vasyuchka , A. A. Serga , A. Kirihara , P. Pirro , T. Langner , M. B. Jungfleisch , A. V. Chumak , E. Th. Papaioannou , B. Hillebrands

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Abstract

We present temporal evolution of the spin Seebeck effect in a YIG|Pt bilayer system. Our findings reveal that this effect is a sub-microseconds fast phenomenon governed by the temperature gradient and the thermal magnons diffusion in the magnetic materials. A comparison of experimental results with the thermal-driven magnon-diffusion model shows that the temporal behavior of this effect depends on the time development of the temperature gradient in the vicinity of the YIG|Pt interface. The effective thermal-magnon diffusion length for YIG|Pt systems is estimated to be around 700nm.

Keywords

spin transport

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@article{arxiv.1309.2164,
  title  = {Sub-microsecond fast temporal evolution of the spin Seebeck effect},
  author = {M. Agrawal and V. I. Vasyuchka and A. A. Serga and A. Kirihara and P. Pirro and T. Langner and M. B. Jungfleisch and A. V. Chumak and E. Th. Papaioannou and B. Hillebrands},
  journal= {arXiv preprint arXiv:1309.2164},
  year   = {2014}
}

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5 pages, 5 figures

Sub-microsecond fast temporal evolution of the spin Seebeck effect

Abstract

Keywords

Cite

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