A STUDY OF INTERFACES OF Co-TREATED γ-Fe2O3 THIN FILMS

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A STUDY OF INTERFACES OF Co-TREATED γ-Fe2O3 THIN FILMS

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DING YAO-GUO, LIN ZHANG-DA, QI SHANG-XUB, WANG YIN-JUN, QIAN JING-FANG

Acta Phys. Sin., 1987, 36(12): 1545-1550.

Abstract
The interfaces between CoO and Fe2O3 films have been studied, the results show that the simple CoO-γ-Fe2O3 interface has practically no effects on magnetic properties, and that the "complicated diffused interfaces" is anlikely to be the major factor in the enhancement of coercive force as previously believed. The Hc enhancement is likely to be a body effect caused by Co-doping rather than an effect of interfaces.
Authors and contacts
DING YAO-GUO²,

LIN ZHANG-DA²,

QI SHANG-XUB²,

WANG YIN-JUN²,

QIAN JING-FANG¹

(1)电子工业部杭州磁记录设备开发中心; (2)中国科学院物理研究所
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