INVESTIGATION INTO THE EFFECTS OF OXYGEN ON THE MAGNETIC AND STRUCTURAL-PROPERTIES OF NI-FE THIN-FILMS EVAPORATED ONTO GLASS SUBSTRATES

被引：13

作者：

CHAPMAN, VB ^{[1
]}

MARWAHA, AS ^{[1
]}

COLLINS, AJ ^{[1
]}

机构：

[1] POLYTECH N LONDON,LONDON N7 8DB,ENGLAND

来源：

THIN SOLID FILMS | 1979年 / 58卷 / 02期

关键词：

D O I：

10.1016/0040-6090(79)90244-X

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The differences in the magnetic and structural properties of NiFe films prepared in an ultrahigh vacuum and of films prepared in an ordinary vacuum are usually attributed to differences in the levels of oxygen in the systems. Our detailed investigation revealed that changes in the magnetic properties occurred when the oxygen partial pressure reached about 10-10 Torr during deposition (the deposition rate was 400 Å min-1), increasing the values of the coercivity and angular dispersion. These changes were related to changes in Hoffmann's structure constant S. The changes in S were attributed to the variations in stress level which occurred with the changes in the partial pressure of oxygen. The results of this investigation are reported and are used to explain the experimental differences between films deposited in an ultrahigh vacuum and those deposited in an ordinary vacuum. © 1979.

引用

页码：247 / 251

页数：5

共 14 条

[1]

Bozorth R.M., 1951, FERROMAGNETISM, P109

[2] ANGULAR AND MAGNITUDE DISPERSION OF ANISOTROPY IN MAGNETIC FILMS [J].