| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 7991466 | Journal of Alloys and Compounds | 2018 | 19 Pages |
Abstract
Effects on substitution of Ge by In on structural and magnetic properties are studied in MnCoGe1-xInx compounds. A small amount of In (2% and 5%) dopant can shift the martensite transformation temperature to room temperature and make it overlap with Curie temperature window, which results in a spin-lattice coupling and a large conventional magnetocaloric effect. Giant values of magnetic entropy change (â³SM) are obtained in both magnetizing and demagnetizing processes in the vicinity of the magnetostructural transition. The maximum values of |â³SM| for MnCoGe0.95In0.05 reach 21.4 and 25.4â¯J/kg K for a small magnetic field change â³Hâ¯=â¯2-0 and 0-2â¯T, respectively, which make it promising for room temperature magnetic refrigeration applications.
Related Topics
Physical Sciences and Engineering
Materials Science
Metals and Alloys
Authors
Tian Gao, Mei Wu, Ningning Qi, Tao Zhou, Xiaojing Luo, Yongsheng Liu, Kun Xu, Vyacheslav V. Marchenkov, Hongliang Dong, Zhiqiang Chen, Bin Chen,