HEAT-TREATMENT TO CONTROL THE COERCIVITY OF PT/CO MULTILAYERS

被引：1
|
作者：
MILLER, J
PITCHER, PG
PEARSON, DPA
机构：
[1] Johnson Matthey Tech. Center, Reading RG4 9NH, Sonning Common
来源：
JOURNAL OF APPLIED PHYSICS | 1994年 / 76卷 / 10期
关键词：
D O I：
10.1063/1.358214
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report on controlled changes in the coercivity of sputter deposited Pt/Co multilayer films by thermal treatment under controlled atmospheres. The as-sputtered coercivities of typically 3.3 kOe can be increased to 10.5 kOe by annealing in air, however for coercivities greater than 6 kOe the rectangular ratio of the multilayer decreases with increasing coercivity. The loop shape can be regained and the coercivity decreased by annealing in a H2/N 2 atmosphere.
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页码：6531 / 6533
页数：3
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