Magnetic properties and magnetocaloric effect in Dy(Co1−xFex)2 alloys |
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Authors: | Zhida Han Zhenghe HuaDunhui Wang Chengliang ZhangBenxi Gu Youwei Du |
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Institution: | National Laboratory of Solid State Microstructures, Department of Physics, Nanjing University, Nanjing 210093, Peoples’ Republic of China |
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Abstract: | Polycrystalline samples of Laves-phase alloys Dy(Co1−xFex)2(x=0, 0.02,0.04,0.06,0.08) have been prepared by arc-melting method. No first order phase transition was observed for samples with x≠0. With the increase of Fe content, the Curie temperature increases greatly, while the calculated magnetic entropy change, ΔSM, shows an obvious decrease with a broader peak. The origin of the magnetocaloric effect in Dy(Co1−xFex)2 alloys has been discussed. |
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Keywords: | 75 30 sg |
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