期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 376, 期 1-2, 页码 17-22出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2003.12.012
关键词
rare earth compounds; magnetocaloric effects; magnetic measurements
Rare earth (RE) mono-nitrides, TbN and HoN, were synthesized by the carbothermic reduction method. Their magnetocaloric effect (MCE) was evaluated by calculating the magnetic entropy changes, AS, from the magnetization data sets measured at various temperatures and applied fields. The DeltaS value of HoN was highest at 18 K and larger than that of DyNi2 reported as the candidate material of magnetic refrigerant for hydrogen liquefaction. The AS value of TbN was highest at 44 K and comparable with that of (DyHo)Al-2 with the transition temperature of 46 K. (C) 2004 Elsevier B.V. All rights reserved.
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