Spin Hall magnetoresistance in a canted ferrimagnet

Kathrin Ganzhorn, Joseph Barker, Richard Schlitz, Benjamin A. Piot, Katharina Ollefs, Francois Guillou, Fabrice Wilhelm, Andrei Rogalev, Gerrit E W Bauer, More Authors

Research output: Contribution to journalArticleScientificpeer-review

51 Citations (Scopus)
36 Downloads (Pure)

Abstract

We study the spin Hall magnetoresistance effect in ferrimagnet/normal metal bilayers, comparing the response in collinear and canted magnetic phases. In the collinear magnetic phase, in which the sublattice magnetic moments are all aligned along the same axis, we observe the conventional spin Hall magnetoresistance. In contrast, in the canted phase, the magnetoresistance changes sign. Using atomistic spin simulations and x-ray absorption experiments, we can understand these observations in terms of the magnetic field and temperature dependent orientation of magnetic moments on different magnetic sublattices. This enables a magnetotransport based investigation of noncollinear magnetic textures.

Original languageEnglish
Article number094401
Pages (from-to)1-6
Number of pages6
JournalPhysical Review B (Condensed Matter and Materials Physics)
Volume94
Issue number9
DOIs
Publication statusPublished - 1 Sep 2016

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