Influence of tetragonal distortion on magnetic and magneto-optical properties of copper ferrite films

被引：16
|
作者：
Baubet, C
Tailhades, P
Bonningue, C
Rousset, A
Simsa, Z
机构：
[1] Univ Toulouse 3, ESA CNRS 5070, Lab Chim Mat Inorgan & Energet, F-31062 Toulouse 4, France
[2] ASCR, Inst Phys, Prague 16253 6, Czech Republic
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2000年 / 61卷 / 06期
关键词：
thin films; magnetic properties; optical properties; tetragonal distortion;
D O I：
10.1016/S0022-3697(99)00385-6
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A series of copper ferrite films was prepared using RF magnetron sputtering techniques. Annealing of the films at 450 and 650 degrees C in air brought about changes of the tetragonal distortion of the spinel lattice enabling to investigate the influence of the tetragonal distortion on magnetic and magneto-optical properties. Faraday rotations up to 2 degrees/mu m at 442 nm, coercive fields up to 1800 Oe and high squareness of the hysteresis loops up to 0.9 could be attained by 2 h annealing at 650 degrees C followed by slow cooling. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：863 / 867
页数：5
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