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Giant spin Nernst effect induced by resonant scattering at surfaces of metallic films

机译:金属膜表面共振散射引起的巨自旋能斯特效应

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摘要

A concept realizing giant spin Nernst effect in nonmagnetic metallic films is introduced. It is based on the idea of engineering an asymmetric energy dependence of the longitudinal and transverse electrical conductivities, as well as a pronounced energy dependence of the spin Hall angle in the vicinity of the Fermi level by the resonant impurity states at the Fermi level. We employ an analytical model and demonstrate the emergence of a giant spin Nernst effect in Ag(111) films using ab initio calculations combined with the Boltzmann approach for transport properties arising from skew scattering off impurities.
机译:介绍了在非磁性金属薄膜中实现巨大自旋能斯特效应的概念。它基于设计纵向和横向电导率的不对称能量依赖性以及费米能级附近的自旋霍尔角通过费米能级的共振杂质态的显着能量依赖性的思想。我们使用一个分析模型,并使用从头算与玻尔兹曼方法相结合的方法,证明了Ag(111)薄膜中自旋能斯特效应的出现,该方法用于从杂质倾斜偏斜中产生的传输性能。

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  • 来源
    《Physical review》 |2016年第18期|180406.1-180406.5|共5页
  • 作者单位

    Peter Gruenberg Institut and Institute for Advanced Simulation, Forschungszentrum Juelich and JARA, D-52425 Juelich, Germany;

    Peter Gruenberg Institut and Institute for Advanced Simulation, Forschungszentrum Juelich and JARA, D-52425 Juelich, Germany;

    Peter Gruenberg Institut and Institute for Advanced Simulation, Forschungszentrum Juelich and JARA, D-52425 Juelich, Germany;

    Peter Gruenberg Institut and Institute for Advanced Simulation, Forschungszentrum Juelich and JARA, D-52425 Juelich, Germany;

    Peter Gruenberg Institut and Institute for Advanced Simulation, Forschungszentrum Juelich and JARA, D-52425 Juelich, Germany;

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