期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 403, 期 1-2, 页码 38-44出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2005.05.026
关键词
magnetically ordered materials
On the basis of a thermodynamic approach, the magnetocaloric effect (NICE) arising at the first-order transition in heavy rare earth metals Tb, Dy, Er and Tb0.5Dy0.5 alloy and in Fe0.49Rh0.51 and Gd5Si1.7Ge2.3 is considered. The main contributions to the MCE (exchange, magnetoelastic, anisotropic and magnetic energy) were calculated in the temperature interval corresponding to the first-order transition. It is shown that the model adequately describes the NICE and gives results, which are in accord with the direct experimental measurements. (c) 2005 Elsevier B.V. All rights reserved.
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