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Mechanically induced demagnetization and remanent magnetization rotation in Ni-Mn-Ga (-B) magnetic shape memory alloy

SYSNO ASEP	0434049
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Mechanically induced demagnetization and remanent magnetization rotation in Ni-Mn-Ga (-B) magnetic shape memory alloy
Author(s)	Straka, L. (FI) Soroka, A. (FI) Heczko, Oleg (FZU-D)_{RID, ORCID} Hänninen, H. (FI) Sozinov, A. (FI)
Source Title	Scripta Materialia. - : Elsevier - ISSN 1359-6462 Roč. 87, SEP (2014), s. 25-28
Number of pages	4 s.
Language	eng - English
Country	US - United States
Keywords	heusler phases ; ferromagnetic shape memory ; magnetic properties ; coercivity
Subject RIV	BM - Solid Matter Physics ; Magnetism
R&D Projects	GAP107/11/0391 GA ČR - Czech Science Foundation (CSF)
Institutional support	FZU-D - RVO:68378271
UT WOS	000339701300007
EID SCOPUS	84904261853
DOI	10.1016/j.scriptamat.2014.05.017
Annotation	Boron doping increased the magnetic coercivity from 1.5 to 22 kA m(-1) (19 to 276 Oe) in Ni-50 Mn28.5Ga21.5 single crystals, which in combination with the multiferroic character of the material resulted in interesting new magnetomechanical effects. The material behaved as a semi-hard ferromagnet, which-in contrast to conventional ferromagnets-could be demagnetized by applying light (2 MPa) mechanical loading. We envisage that remanent magnetization rotation by magnetic field or by mechanical stress can occur if the hysteresis is further enlarged.
Workplace	Institute of Physics
Contact	Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
Year of Publishing	2015
Electronic address	http://www.sciencedirect.com/science/article/pii/S1359646214002176

Number of the records: 1