SmDyFeCo磁光薄膜的磁特性研究  

MAGNETIC PROPERTIES OF SmDyFeCo MAGNETICOPTICAL THIN FILMS

作　　者：卢正启[1] 李佐宜[1] 邱进军[1] 郑远开[1] 王可 徐瑛 胡作启[1] 林更琪 

机构地区：[1]华中理工大学固体电子学系

出　　处：《功能材料与器件学报》1998年第1期47-51,共5页Journal of Functional Materials and Devices

摘　　要：采用射频磁控溅射方法制备了ＳｍＤｙＦｅＣｏ非晶磁光薄膜，研究了氩气压，溅射功率对ＳｍＤｙＦｅＣｏ薄膜磁特性的影响。实验表明：和ＤｙＦｅＣｏ非晶薄膜相比，ＳｍＤｙＦｅＣｏ非晶薄膜的矫顽力Ｈｃ随温度变化更为缓慢，并且具有更大的垂直磁各向异性常数，因而具有更好的记录特性，本征磁光克尔角可达０３１０，可以作为一种实用化的磁光记录介质。he amorphous SmDyFeCo magneticoptical thin films are rf magnetron sputtered onto glass substrate The influences of sputtering argon pressure and power on the magnetic properties of the amorphous SmDyFeCo thin films are investigated It is shown that when compared with the amorphous DyFeCo thin film, the coercivity Hc of the amorphous SmDyFeCo thin film changes more slowly with temperature, and it has larger magnetic perpendicular anisotropy and Kerr angle at short wavelength Therefore, it can be used as a practical magnetooptical recording medium

关 键 词：矫顽力 氩气压 磁光薄膜 射频磁控溅射 

分 类 号：O484[理学—固体物理] TQ58[理学—物理]