期刊
EUROPEAN PHYSICAL JOURNAL PLUS
卷 137, 期 11, 页码 -出版社
SPRINGER HEIDELBERG
DOI: 10.1140/epjp/s13360-022-03487-9
关键词
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资金
- Deanship of Scientific Research at King Fahd University of Petroleum and Minerals (KFUPM), Saudi Arabia [SB201024]
- U.S. Department of Energy by Iowa State University of Science and Technology [DE-AC02-07CH11358]
In this study, the room temperature magnetocaloric properties of CrTe1-xSex alloys were investigated. The results showed that the alloys exhibited a high magnetic entropy change and relative cooling power, making them potential candidates for room temperature magnetic cooling applications.
In this work, we report room temperature magnetocaloric properties in CrTe1-xSex (0.00 <= x <= 0.10) alloys prepared by a conventional solid-state reaction. The Rietveld refinement of the XRD pattern of CrTe1-xSex showed the emerging of pure hexagonal NiAs structure with P63/mmc (194) space group with increasing Se substitution. Upon mu H-0 = 5 T applied magnetic field, the magnetocaloric effect analysis revealed maximum magnetic entropy change (Delta S-M) in the range 7.9-9.2 J/kg K-1 with a relative cooling power (RCP) value of about 550-694 J/kg. The RCP values exceed the corresponding RCP value of the prototype Gd element near room temperature. The obtained results suggest that CrTe1-xSex (0.00 <= x <= 0.10) alloys is a viable candidate for a room temperature magnetic cooling application.
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