CORRELATION OF STRUCTURAL DEFECTS AND MAGNETIC-PROPERTIES IN COCRPT/CR AND COCRTAPT/CR THIN-FILMS FOR ULTRA-HIGH DENSITY MAGNETIC RECORDING MEDIA

被引:3
作者
GLIJER, P
SIN, K
SIVERTSEN, JM
JUDY, JH
机构
[1] UNIV MINNESOTA,DEPT CHEM & MAT SCI,MINNEAPOLIS,MN 55455
[2] UNIV MINNESOTA,DEPT ELECT ENGN,MINNEAPOLIS,MN 55455
来源
SCRIPTA METALLURGICA ET MATERIALIA | 1995年 / 33卷 / 10-11期
关键词
D O I
10.1016/0956-716X(95)00403-I
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Microstructures of high and low coercivity CoCrPt/Cr and CoCrPtTa/Cr were examined High-coercivity samples were deposited either at high temperatures or with high substrate bias. Low-coercivity samples were deposited at room temperature and at low substrate bias. It was demonstrated that high coercivity films had significantly increased amount of planar faults compared to low-coercivity samples. The faults were identified as densely spaced stacking faults which apparently resulted from the film deformation either during or just after him deposition and they might contribute to higher coercivity due to local changes in crystal anisotropy. An increase in the amount of structural defects by either thermal or impact stress was associated in law-coercivity CoCrPt/Cr films with a profound change of magnetic properties.
引用
收藏
页码:1585 / 1592
页数:8
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