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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/4303

Title: Correlation between magnetism and magnetocaloric effect in the intermetallic compound DyNiAl
Authors: SINGH, NK
SURESH, KG
NIRMALA, R
NIGAM, AK
MALIK, SK
Keywords: rare-earth
moments
Issue Date: 2006
Publisher: AMER INST PHYSICS
Citation: JOURNAL OF APPLIED PHYSICS, 99(8), -
Abstract: Magnetization studies carried out in polycrystalline sample of DyNiAl show the presence of two magnetic transitions, one at 15 K and the other at 30 K. The low-temperature transition is attributed to the onset of antiferromagnetic ordering, while the other one corresponds to the ferro-para transition. Thermomagnetic irreversibility found in the temperature dependence of magnetization data is attributed to the domain-wall pinning effect and also to the magnetic frustration. Magnetocaloric effect is found to be negative in the antiferromagnetic phase and positive above the Neel temperature. (C) 2006
URI: http://dx.doi.org/10.1063/1.2166589
http://dspace.library.iitb.ac.in/xmlui/handle/10054/4303
http://hdl.handle.net/10054/4303
ISSN: 0021-8979
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