In:
Journal of Applied Physics, AIP Publishing, Vol. 103, No. 7 ( 2008-04-01)
Abstract:
Magnetic properties and magnetic entropy changes in spinels (Cd,M)Cr2S4 with M=Cu or Fe have been studied. The saturation moments per formula unit are about 4.77μB for Cd0.8Cu0.2Cr2S4 and 4.41μB for Cd0.7Fe0.3Cr2S4. Magnetic transition in Cu- and Fe-doped samples are of second order in nature, and their Curie temperatures are TC=86 and 119K, respectively. The maximum values of magnetic entropy change ΔS are found to be 5.1 and 5.4J∕kgK for Cd0.8Cu0.2Cr2S4 and Cd0.7Fe0.3Cr2S4 for a field change from 0to5T, respectively. The significant ΔS suggests a potential of the sulfospinel as a magnetic refrigerant in the corresponding temperature range.
Type of Medium:
Online Resource
ISSN:
0021-8979
,
1089-7550
Language:
English
Publisher:
AIP Publishing
Publication Date:
2008
detail.hit.zdb_id:
220641-9
detail.hit.zdb_id:
3112-4
detail.hit.zdb_id:
1476463-5
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