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Research on Perovskite-type Manganese Oxides as Magnetic Refrigerant Material

CHEN Tao XU Zheng XU Yewen (Institute of Material Science and Engineering,Tongji University,Shanghai 200092,China)  
The basic principle of magnetocaloric effect (MCE)and the crystal structure of perovskite-type manganese oxides are briefly described in this paper. The magnetic entropy changes of perovskite-type manganese oxides whose A or B site ions are substituted with various ions and in various proportions are showed and the mechanism of the MCE is briefly discussed.
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