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PGI-1 Talk: Dr. Sergiy Mankovsky

Dzyaloshinskii-Moriya interaction within the KKR Green function method: theory and applications

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23 May 2018 11:30
venue
PGI Lecture Hall

LMU München

Abstract:

I will present an approach for the calculation of the inter-atomic Dzyaloshinskii-Moriya interaction (DMI) based on the fully relativistic multiple scattering Korringa-Kohn-Rostoker (KKR) formalism and compare it with other schemes previously reported in the literature. As it will be demonstrated, this approach gives access also to calculations of the micromagnetic DMI, exchange stiness as well as spin-wave stiness. I will present several examples to illustrate the abilities of the new approach, both for ordered and for disordered magnetic materials, focusing on the B20 Mn1-xFexGe alloy system. In addition, I will hortly discuss an extension for Gilbert damping calculations within the KKR Green function formalism, in order to deal with non-collinear magnetic systems.

Contact

Prof. Dr. Stefan Blügel
Phone: +49 2461 61-4249
Fax: +49 2461 61-2850
email: s.bluegel@fz-juelich.de

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