Spin Seebeck and spin Nernst effects of magnons in noncollinear antiferromagnetic insulators
Spin Seebeck and spin Nernst effects of magnons in noncollinear antiferromagnetic insulators
复制标题
非共线反铁磁绝缘体中磁振子的自旋塞贝克和自旋能斯特效应
DOI:
10.1103/physrevb.100.100401
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发表时间:
2019
影响因子:
3.7
通讯作者:
I. Mertig
中科院分区:
文献类型:
--
作者:
A. Mook;R. Neumann;J. Henk;I. Mertig
Our joint theoretical and computer experimental study of heat-to-spin conversion reveals that noncollinear antiferromagnetic insulators are promising materials for generating magnon spin currents upon application of a temperature gradient: they exhibit spin Seebeck and spin Nernst effects. Using Kubo theory and spin dynamics simulations, we explicitly evaluate these effects in a single kagome sheet of potassium iron jarosite, KFe$_3$(OH)$_6$(SO$_4$)$_2$, and predict a spin Seebeck conversion factor of $0.2 \mu\mathrm{V}/\mathrm{K}$ at a temperature of $20 \mathrm{K}$.
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影响因子:
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