室温磁致冷材料的研究进展

稀有金属材料与工程, 2003, 32(11): 869-874.

室温磁致冷材料的研究进展

肖素芬 ^1, , 陈云贵 ^2, , 管登高 ^3, , 滕保华 ^4, , 郝春 ^5, , 杨涛 ^6, , 付浩 ^7, , 涂铭旌 ^8,

1.四川大学,四川,成都,610065

2.四川大学,四川,成都,610065

3.四川大学,四川,成都,610065

4.四川大学,四川,成都,610065

5.四川大学,四川,成都,610065

6.四川大学,四川,成都,610065

7.四川大学,四川,成都,610065

8.四川大学,四川,成都,610065

基金项目: 国家高技术研究发展计划(863计划)(2002AA324010)

关键词：磁致冷材料 , 磁热性能 , 等温磁熵变 , 绝热温变

Recent Development in Room-temperature Magnetic Refrigerating Materials

对室温磁致冷材料的最新进展作了综合报道,主要包括Gd、Gd-Si-Ge、La-Fe-(Si、Al)、Mn-As-Sb、Mn-Fe-P-As几个化合物系列.Gd,居里温度294 K,其磁热性能在所有纯金属中最好;Gd5Si2Ge2,居里温度274 K,在此温度处具有巨磁热效应;在La-Fe-Co-Si、La-Fe-Co-Al化合物中,改变Co的含量可以使化合物的居里温度得到调整,其磁热性能可以与Gd比拟甚至超过Gd;MnFeP0.45As0.55,居里温度308 K,具有巨磁热效应,磁热性能远远超过Gd.在MnAs1-xSbx化合物中,随Sb(0

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室温磁致冷材料的研究进展

Recent Development in Room-temperature Magnetic Refrigerating Materials

参考文献