Electron energy loss spectroscopy studies of CoCrTaPt/Cr thin films for high-density longitudinal magnetic recording media

被引:5
作者
Sin, K
Glijer, P
Sivertsen, JM
Judy, JH
机构
[1] UNIV MINNESOTA,DEPT CHEM ENGN & MAT SCI,CTR MICROMAGNET & INFORMAT TECHNOL,MINNEAPOLIS,MN 55455
[2] UNIV MINNESOTA,DEPT ELECT ENGN,MINNEAPOLIS,MN 55455
关键词
D O I
10.1016/0304-8853(95)00739-3
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The effects of Ta content in CoCrTaPt thin films on the near-edge structure of Co and Cr L(2,3) absorption edges have been studied using parallel electron energy loss spectroscopy (PEELS). It was found that the addition of Ta decreased the 3d band occupancy in CoCrTaPt thin films. The addition of Ta was also observed to decrease the L(3)/L(2) white line intensity ratio, which showed a qualitative correlation with Curie temperature measurements. This result indicates a decrease in the ferromagnetic exchange interaction between neighboring Co atoms which may account for the low noise of CoCrTaPt thin film media.
引用
收藏
页码:209 / 211
页数:3
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