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Magnetocaloric effects in (Gd1−xTbx)Co2 |
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| Authors: | K.W. Zhou J.Q. Li Q.M. Zhu |
| Affiliation: | a Key Laboratory of Nonferrous Metal Materials and New Processing Technology, Institute of Materials Science, Guangxi University, Ministry of Education, Nanning, Guangxi 530004, People's Republic of China b Department of Materials Science and Engineering, School of Science, Shenzhen University, Shenzhen 518060, People's Republic of China |
| Abstract: | The structures and magnetocaloric effects of (Gd1−xTbx)Co2 (x=0, 0.25, 0.4, 0.5, 0.6, 0.7, 0.8, and 1) pseudobinary compounds were investigated by X-ray powder diffraction and magnetic properties measurement. The results show that the Tc of the alloy is near room temperature when X=0.6. The magnetic entropy changes of the compounds increase from 1.7 to 3.6 J/kg K with increasing the content of Tb under an applied field up to 2 T. All the compounds exhibit second order magnetic change. As a result, the values of their ΔSM are lower than that of some large magnetocaloric effect materials. |
| Keywords: | 75.20.En 75.30.Sg 75.60.Ej |
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