Structure, Magnetic Properties and Magnetocaloric Effect of Dy-Doped CeFe2 Alloys

Wen Jiang Feng; Ming Gao; Hao Hua Zhang; Yan He

doi:10.4028/www.scientific.net/AMR.700.75

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 700Structure, Magnetic Properties and Magnetocaloric...

Structure, Magnetic Properties and Magnetocaloric Effect of Dy-Doped CeFe₂ Alloys

Abstract:

Ce_1-xDy_xFe_1.9(x = 0, 0.02, 0.05, 0.1) alloys were prepared successfully by means of arc-melting and the following homogenization. XRD patterns show all alloys are indexed as MgCu₂-type C15 cubic Laves phase structure. With the Dy substitution of Ce, the Curie temperatures from ferro-to para-magnetism become gradually enlarged. The values of for a magnetic-field change from 0-5 T at 234, 246, 268, 303 K are 31.7, 26.4, 21.8, and 17.2 J kg^-1 K^-1 for x = 0, 0.02, 0.05, and 1, respectively.

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Advanced Materials Research (Volume 700)

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75-78

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https://doi.org/10.4028/www.scientific.net/AMR.700.75

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May 2013

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Wen Jiang Feng, Ming Gao, Hao Hua Zhang, Yan He

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Curie Temperature, Laves Phase, Magnetic Entropy, Magnetocaloric Effect

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