The Magnetocaloric Properties of (Mn1-XFeX)5Sn3 Compounds Prepared in Magnetic Environment

Autor: Huang, Jian, Xiang, Jie, Zhi, Ce, Wang, Xue Zhen, Hou, Xue Ling
Zdroj: Advanced Materials Research; July 2011, Vol. 299 Issue: 1 p520-524, 5p
Abstrakt: The crystal structure, microstructure, Curie temperature and magnetocaloric properties of (Mn1-xFex)5Sn3 (x=0.1~0.5) alloys were studied in this paper. The alloys were prepared by powder metallurgy method with magnetic pressing and magnetic sintering. All samples crystallize in the hexagonal InNi2-type structure with space group P63/mmc. The lattice parameter, cell volumes of the (Mn1-xFex)5Sn3 decrease with increasing x, while the Curie temperature of these alloys increases almost linearly with increasing x. All samples exhibit a moderate magnetocaloric effect, and the curves of magnetic entropy change are flat in a wide temperature range, which is suitable for the Ericsson cycle.
Databáze: Supplemental Index