Magnetic properties of Co-ferrite thin films prepared by PLD with in situ heating and post-annealing

被引：16
|
作者：
Yin, J. H. [1 ]
Ding, J. [1 ]
Chen, J. S. [2 ]
Miao, X. S. [2 ]
机构：
[1] Natl Univ Singapore, Dept Mat Sci & Engn, Singapore 119260, Singapore
[2] Data Storage Inst, Singapore 117068, Singapore
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2006年 / 303卷 / 02期
关键词：
Co-ferrite films; High coercivity; In situ heating; Texture structure; Pulsed laser deposition;
D O I：
10.1016/j.jmmm.2006.01.061
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Co-ferrite thin films on (1 0 0) SiO2 substrates were deposited using pulsed laser deposition with in situ heating and post-annealing heat treatments. The structure and magnetic properties of the films were analyzed by X-ray diffractionmetry, atomic force microscopy, transmission electron microscopy, Raman spectroscopy and alternating gradient force magnetometry. High perpendicular coercivity around 8.9 kOe has been obtained in the film with in situ substrate heating at 700 degrees C. High coercivity of Co-ferrite thin film was found to be related to nanocystalline grain size, large lattice strain, surface roughness and preferential texture structure. (C) 2006 Elsevier B. V. All rights reserved.
引用
收藏
页码：E387 / E391
页数：5
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