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Prospect for tunneling anisotropic magneto-resistance in ferrimagnets: spin-orbit coupling effects in Mn.sub.3./sub.Ge and Mn.sub.3./sub.Ga
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SYSNO ASEP 0471314 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Prospect for tunneling anisotropic magneto-resistance in ferrimagnets: spin-orbit coupling effects in Mn3Ge and Mn3Ga Author(s) Khmelevskyi, S. (AT)
Shick, Alexander (FZU-D) RID, ORCID
Mohn, P. (AT)Number of authors 3 Article number 222402 Source Title Applied Physics Letters. - : AIP Publishing - ISSN 0003-6951
Roč. 109, č. 22 (2016), s. 1-4Number of pages 4 s. Language eng - English Country US - United States Keywords magneto-resistance ; ferrimagnets Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects GB14-37427G GA ČR - Czech Science Foundation (CSF) Institutional support FZU-D - RVO:68378271 UT WOS 000390243100028 EID SCOPUS 85002061862 DOI https://doi.org/10.1063/1.4970691 Annotation Magnetic anisotropic phenomena in Mn3Ge and Mn3Ga ferrimagnets are studied by first-principles density functional theory calculations. We find a large positive magnetic anisotropy energy, associated with the Mn-atoms in the 4d-crystallographic positions. Sizable anisotropy in the density of states is found in the vicinity of the Fermi energy, and suggests the promising possibility for the generation of a sizable tunneling anisotropic magneto-resistance effect (TAMR). The use of the ferrimagnetic materials for TAMR magnetic tunneling junctions is discussed as a prospective alternative for ferromagnetic and antiferromagnetic materials. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2017
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