Effect of internal strain on magnetic properties of La0.7Sr0.3MnO3 films

被引：8
作者：
Liu, Y. P.
Du, Y. S.
Zhang, M.
Yan, H.
Wang, Y. Y. [1 ]
机构：
[1] Lanzhou Univ, Dept Phys, Lanzhou 730000, Peoples R China
[2] Beijing Univ Technol, Lab Thin Film Mat, Beijing 100022, Peoples R China
来源：
VACUUM | 2007年 / 81卷 / 07期
关键词：
magnetic materials; strain effect; magnetic properties;
D O I：
10.1016/j.vacuum.2006.09.016
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Oriented La0.7Sr0.3MnO3 (LSMO) films were grown on (100) LaAlO3 (LAO) and SrTiO3 (STO) substrates by the method of radio frequency magnetron sputtering. X-ray diffraction patterns of LSMO films deposited on LAO and STO substrates showed a slight shift of diffraction peaks as compared to the corresponding peaks of the bulk LSMO. The shift of diffraction peaks was believed to result from the in-plane lattice mismatch between the film and substrate. The distinguished strain effects of substrates were found to be effective on the magnetic properties and the surface morphology of LSMO films on both substrates. The results indicate that STO substrate may be the promising candidate for room-temperature applications of LSMO film. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：826 / 829
页数：4
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