Ordering and grain growth of FePt thin films by annealing

被引：13
|
作者：
Murayama, Norio [1 ]
Soeya, Susumu [2 ]
Takahashi, Yoshio [2 ]
Futamoto, Masaaki [1 ]
机构：
[1] Chuo Univ, Fac Sci & Engn, Bunkyo Ku, Tokyo 1128551, Japan
[2] Hitachi Ltd, Cent Res Lab, Kokubunji, Tokyo 1858601, Japan
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2008年 / 320卷 / 22期
关键词：
Microstructure; FePt; TEM; Grain growth; Ordering process; Annealing;
D O I：
10.1016/j.jmmm.2008.08.053
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Microstructure variation of FePt thin film upon annealing at elevated temperatures was investigated by transmission electron microscopy (TEM). A special shape aperture was employed to observe the ordered L1(0) phase in the dark-field TEM images. With increasing the annealing temperature, crystal grains formed clusters with gathering of neighboring grains, and crystal grain growth proceeded within the cluster. L1(0) ordered crystal grains were preferentially formed near the grain boundaries, and their sizes grew with increasing the annealing temperature. (C) 2008 Elsevier B. V. All rights reserved.
引用
收藏
页码：3057 / 3059
页数：3
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