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Reverse magnetostructural transitions by Co and In doping NiMnGa alloys: structural, magnetic and magnetoelastic properties
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SYSNO ASEP 0367546 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Reverse magnetostructural transitions by Co and In doping NiMnGa alloys: structural, magnetic and magnetoelastic properties Author(s) Albertini, F. (IT)
Fabbrici, S. (IT)
Paoluzi, A. (IT)
Kamarád, Jiří (FZU-D) RID, ORCID
Arnold, Zdeněk (FZU-D) RID, SAI, ORCID
Righi, L. (IT)
Solzi, M. (IT)
Porcari, G. (IT)
Pernechele, C. (IT)
Serrate, D. (ES)
Algarabel, P. (ES)Source Title Materials Science Forum - ISSN 0255-5476
Roč. 684, č. 5 (2011), 151-163Number of pages 13 s. Language eng - English Country CH - Switzerland Keywords martensitic transformation ; Heulser alloys ; NiMnGa ; superelastic alloys ; magnetic shape memory ; reverse transformation Subject RIV BM - Solid Matter Physics ; Magnetism CEZ AV0Z10100521 - FZU-D (2005-2011) UT WOS 000291956800011 DOI 10.4028/www.scientific.net/MSF.684.151 Annotation We review the composition dependence of the structural and magnetic properties of the Co-doped Ni-Mn-Ga Ferromagnetic Shape Memory Alloy around the Mn-rich composition Ni50Mn30Ga20. The presence of Co affects the critical temperatures and alters the exchange interactions of martensite and austenite to different extents; by varying the compositon it is possible to tune the critical temperatures and to induce a "paramagnetic gap" between the magnetically ordered martensite and magnetic austenite, thus givind rise to a reverse magnetostructural transformation. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2012
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