期刊
INTERMETALLICS
卷 80, 期 -, 页码 22-25出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.intermet.2016.10.005
关键词
Functional alloys (magnetic, electrical, biomedical); Magnetic properties
资金
- National Natural Science Foundation of China [51671048, 11574066, 11374081]
- Fundamental Research Funds for the Central Universities [N150905001, N140901001]
The magnetic and magnetocaloric properties of Ho2Cu2Cd compound have been studied. The compound reveals two successive magnetic phase transitions at 30 K and 15 K which are corresponding to the paramagnetic to ferromagnetic transition and a spin reorientation, respectively. Two successive magnetic transitions in Ho2Cu2Cd resulting two peaks in the temperature dependence of magnetic entropy change curves, -Delta S-M (T). Two peaks are partly overlapped and induced a large MCE in a wide temperature range, i.e., large refrigerant capacity (RC) and relative cooling power (RCP). For a magnetic field change of 0-7 T, the values of maximal -Delta S-M, RC and RCP are 25.1 J/kg K, 527 J/kg and 732 J/kg for Ho2Cu2Cd, respectively. (C) 2016 Elsevier Ltd. All rights reserved.
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