Ab initio calculation of spin-dependent electron-phonon coupling and transport in iron and cobalt

[en] The spin-dependent coupling between electrons and phonons in ferromagnetic Fe and Co is calculated from first principles in a collinear-spin formalism. The added spin polarization is fundamental for the correct representation of the phonons, but also to obtain good transport properties, and permits the decomposition (e.g. of the resistivity) into the contributions of majority and minority spin. In Fe the minority spin coupling is only about 50\% more important, but in Co the coupling between phonons and minority spin electrons is an order of magnitude larger than majority, and both are strongly anisotropic.

Disciplines :

Physics

Author, co-author :

Verstraete, Matthieu ; Université de Liège - ULiège > Département de physique > Physique des matériaux et nanostructures

Language :

English

Title :

Ab initio calculation of spin-dependent electron-phonon coupling and transport in iron and cobalt

Publication date :

2013

Journal title :

Journal of Physics: Condensed Matter

ISSN :

0953-8984

eISSN :

1361-648X

Publisher :

Institute of Physics, Bristol, United Kingdom

Volume :

Pages :

136001

Peer reviewed :

Peer Reviewed verified by ORBi

European Projects :

FP7 - 211956 - ETSF - European Theoretical Spectroscopy Facility I3

Name of the research project :

ARC 10/15-03, ETSF I3 e-I3

Funders :

FWB - Fédération Wallonie-Bruxelles
F.R.S.-FNRS - Fonds de la Recherche Scientifique
CE - Commission Européenne

Available on ORBi :

since 29 March 2013

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