Enhancement in ordering of FePt films by magnetic field annealing

被引：48
|
作者：
Wang, HY [1 ]
Ma, XK
He, YJ
Mitani, S
Motokawa, M
机构：
[1] Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China
[2] MOE, Key Lab Quantum Informat & Measurements, Beijing, Peoples R China
[3] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
来源：
APPLIED PHYSICS LETTERS | 2004年 / 85卷 / 12期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1063/1.1794380
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Effect of magnetic field annealing on chemical ordering of FePt films has been investigated. It is found that the ordering rate in FePt films is enhanced by applying a magnetic field during postdeposition annealing. Measurements of the structure and magnetic properties of FePt films reveal that the disorder-order transformation starts at or below 450degreesC when the film is annealed in a magnetic field of 40 kOe. The possible reason for the enhancement in the ordering of FePt films by magnetic field annealing is discussed. (C) 2004 American Institute of Physics.
引用
收藏
页码：2304 / 2306
页数：3
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