【摘要】 简述了室温磁制冷材料的发展历史和纳米技术,概述了磁制冷材料研究的重点。总结了室温磁制冷工质材料具有优良性能的标准,并且给出了从微观、唯象和纳米方面研究室温磁制冷材料的新思路。介绍了纳米技术在室温磁制冷材料研究中的应用,重点讲述了纳米化对室温磁制冷材料的影响,预测了磁制冷材料的发展趋势。更多还原

【Abstract】 The history of the captioned materials is briefly reviewed with the technique for producing nanochrystalline materials described.The key points for the study are pointed out.The criteria of excellent performances of the materials are summarized with new thoughts given which suggest that in the study of such materials,the microstructures,phases and relevant technique for producing nanometer materials should be stressed.The influence of achieving nanometer grain size on the captioned materials is elaborated and the prospects of the materials predicted.更多还原