Ag induced enhancement of perpendicular magnetic anisotropy

被引：2
|
作者：
Shern, CS [1 ]
Su, CW [1 ]
Wu, YE [1 ]
Chen, SH [1 ]
机构：
[1] Natl Taiwan Normal Univ, Dept Phys, Taipei 116, Taiwan
来源：
SURFACE SCIENCE | 2001年 / 495卷 / 03期
关键词：
auger electron spectroscopy; cobalt; alloys; interface states; low energy electron diffraction (LEED); magnetic measurements; silver; platinum;
D O I：
10.1016/S0039-6028(01)01610-7
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Some interesting magnetic properties were observed after Ag ultrathin films were deposited on Co/Pt(111). The spin reversal of Co can be prevented when Ag atoms cap Co on Pt(111). The out-of-plane magnetization has a significant enhancement after annealing at high temperature. The Curie temperature increases from 625 to 710 K as 1 ML of Ag is deposited on I ML Co/Pt(111). The change of surface anisotropy and the formation of a Co-Pt alloy are possible mechanisms for the magnetization enhancement. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：L821 / L826
页数：6
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