GdFeCo非晶薄膜磁温度特性  

Temperature dependence of the magnetic properties of GdFeCo thin films

作　　者：王现英[1] 杨俊和[1] 干福熹[2] 

机构地区：[1]上海应用技术学院材料工程系,上海200235 [2]中国科学院上海光学精密机械研究所,上海201800

出　　处：《功能材料与器件学报》2007年第5期499-502,共4页Journal of Functional Materials and Devices

基　　金：上海市重点学科(No.P1502);国家自然科学基金(No.60607009)资助

摘　　要：本文以分子场理论为依据,通过实验数据的拟合和分析计算,计算了GdFeCo非晶薄膜饱和磁化强度、交换常数、磁各向异性常数的温度特性,并分析了薄膜成分变化对补偿温度、居里温度等的影响规律,为GdFeCo薄膜在新型磁光存储技术中的应用提供了理论依据。The mean-field theory was used to analyze the experimental data and calculate the magnetic characteristics of GdFeCo films.The temperature dependence of saturation magnetization,macroscopic exchange stiffness and the magnetic anisotropy energy were caculated.Also,the effect of composition on the compensation temperature and the curie temperature of GdFeCo films was analyzed in detail.The results will give theoretical directions to the use of the GdFeCo film in new magneto-optical recording techniques.

关 键 词：磁光存储 分子场理论 温度特性 

分 类 号：TN06-191[电子电信—物理电子学]