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Anisotropy of the magnetocaloric effect in DyNiAl
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SYSNO ASEP 0330669 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Anisotropy of the magnetocaloric effect in DyNiAl Title Anisotropie magnetokalorického efektu v DyNiAl Author(s) Kaštil, J. (CZ)
Javorský, P. (CZ)
Andreev, Alexander V. (FZU-D) RID, ORCIDNumber of authors 3 Source Title Journal of Magnetism and Magnetic Materials. - : Elsevier - ISSN 0304-8853
Roč. 321, č. 15 (2009), s. 2318-2321Number of pages 4 s. Language eng - English Country NL - Netherlands Keywords magnetocaloric effec ; DyNiAl ; magnetism ; anisotropy Subject RIV BM - Solid Matter Physics ; Magnetism CEZ AV0Z10100520 - FZU-D (2005-2011) UT WOS 000266036200012 DOI 10.1016/j.jmmm.2009.02.118 Annotation We present study of the anisotropic magnetocaloric effect in DyNiAl. This compound crystallizes in the hexagonal ZrNiAl-type structure, orders magnetically below TC = 31 K and undergoes a further magnetic phase transition at T1 = 15 K. The Dy-moments are aligned ferromagnetically along the hexagonal c-axis below TC, the additional antiferromagnetic component develops within the basal plane below T1. The magnetocaloric effect was evaluated from the magnetization measurements with field applied along the c-axis and perpendicular to it. Our data reveal a strong anisotropy of the magnetocaloric effect. The large effect occurs for field applied along the c-axis whereas the entropy change is small for the perpendicular field direction. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2010
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