Exchange-coupling interaction, effective anisotropy and magnetic property of nano-magnetic materials

作     者：SUN Yan, GAO Ruwei, HAN Baiping, LIU Min, HAN Guangbing and FENG Weicun (School of Physics and Microelectronics, Shandong University, Jinan 250100, China) 

作者机构：School of Physics and Microelectronics Shandong University Jinan 250100 China 

出 版 物：《Progress in Natural Science:Materials International》 (自然科学进展·国际材料(英文))

年 卷 期：2007年第17卷第2期

页      面：131-137页

核心收录：

学科分类：0809[工学-电子科学与技术（可授工学、理学学位）] 07[理学] 070205[理学-凝聚态物理] 08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 0702[理学-物理学] 

基　　金：Supported by National Natural Science Foundation of China (Grant Nos. 50371046 and 50671055) the Research Fund for Doctoral Programme of High Education of China (Grant No. 20040422012) 

主　　题：nano-magnetic materials exchange-coupling interaction microstructure effective anisotropy magnetic property. 

摘      要：The theories and models of exchange-coupling interaction between grains in nanocrystalline magnetic materials are introduced here. Their insufficiencies and distinctions from the experimental results are pointed out, and some revisions are made. The effects of the phase component ratio, the grain size and microstructure on the effective anisotropy and magnetic properties in the nanocomposite permanent materials and the improved models are discussed in detail.