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Compositional dependence of magnetocrystalline anisotropy in Fe-, Co-, and Cu-alloyed Ni-Mn-Ga
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SYSNO ASEP 0553404 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Compositional dependence of magnetocrystalline anisotropy in Fe-, Co-, and Cu-alloyed Ni-Mn-Ga Author(s) Rameš, Michal (FZU-D) RID, ORCID
Kopecký, Vít (FZU-D) ORCID
Heczko, Oleg (FZU-D) RID, ORCIDNumber of authors 3 Article number 133 Source Title Metals. - : MDPI
Roč. 12, č. 1 (2022)Number of pages 8 s. Language eng - English Country CH - Switzerland Keywords magnetocrystalline anisotropy ; magnetic shape memory alloys ; Ni-Mn-Ga Subject RIV BM - Solid Matter Physics ; Magnetism OECD category Condensed matter physics (including formerly solid state physics, supercond.) R&D Projects LM2018096 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) GA19-09882S GA ČR - Czech Science Foundation (CSF) Method of publishing Open access Institutional support FZU-D - RVO:68378271 UT WOS 000747109000001 EID SCOPUS 85123300007 DOI 10.3390/met12010133 Annotation The key for the existence of magnetic induced reorientation is strong magnetocrystalline anisotropy, i.e., the coupling between ferroelastic and ferromagnetic ordering. To increase the transformation temperatures and thus functionality, various elemental alloying in Ni-Mn-Ga is tried. We analyzed more than twenty polycrystalline alloys alloyed by small amount (up to 5atom%) of transitional metals Co, Fe, Ni, and Cu for the value of magnetic anisotropy in search of general trends with alloying. In agreement with previous reports, we found that maximum anisotropy occurs at stoichiometric Ni2MnGa and any alloying decreases its value. The strongest decrease of the anisotropy is observed in the case where the alloyed elements substitute Ga. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2023 Electronic address https://hdl.handle.net/11104/0337784
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