Magnetic properties and microstructures of sputtered epitaxial Co-rich Co-Pt films

被引：4
|
作者：
Chen, S. C. [1 ]
Kuo, P. C. [2 ]
Shen, C. L. [2 ]
Hsu, S. L. [2 ]
Sun, T. H. [1 ]
机构：
[1] Ming Chi Univ Technol, Dept Mat Engn, Taipei 243, Taiwan
[2] Natl Taiwan Univ, Inst Mat Sci & Engn, Taipei 106, Taiwan
来源：
MATERIALS & DESIGN | 2010年 / 31卷 / 04期
关键词：
ANISOTROPY;
D O I：
10.1016/j.matdes.2009.01.042
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Co(3)Pt films of various thicknesses were deposited on Pt underlayers by conventional sputtering in order to investigate the effects of Pt underlayers and annealing temperatures on their microstructure and the magnetic properties. XRD and HRTEM analyses reveal perpendicular magnetic anisotropy in films of good epitaxial growth of Co(3)Pt (002) on the Pt (111) underlayer when annealed at 300 degrees C. However, Pt atoms in the Pt underlayer will diffuse seriously into the Co(3)Pt layer when the annealing temperature is increased to 375 degrees C. This changes the compositions to approach equiatomic CoPt, and shows in-plane magnetic anisotropy with soft magnetic properties. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1706 / 1710
页数：5
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