Extrinsic Spin Nernst Effect from First Principles

Katarina Tauber*, Martin Gradhand, Dmitry V. Fedorov, Ingrid Mertig

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

63 Citations (Scopus)


We present an ab initio description of the thermal transport phenomenon called the spin Nernst effect. It refers to generation of a spin accumulation or a pure spin current transverse to an applied temperature gradient. This is similar to the intensively studied spin Hall effect described by intrinsic and extrinsic mechanisms due to an applied electric field. Analogously, several contributions are present for the spin Nernst effect. Here we investigate the extrinsic skew scattering mechanism which is dominant in the limit of dilute alloys. Our calculations are based on a fully relativistic Korringa-Kohn-Rostoker method and a solution of the linearized Boltzmann equation. As a first application, we consider a Cu host with Au, Ti, and Bi impurities.

Original languageEnglish
Article number026601
JournalPhysical Review Letters
Publication statusPublished - 2012




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