Simultaneous measurements of the magnetostrictive coefficient, Young's modulus, and Poisson ratio of thin films

被引：3
|
作者：
Jin, XS [1 ]
Kim, CO
Lee, YP
Zhou, Y
Xu, HB
机构：
[1] Hanyang Univ, Dept Phys, Seoul 133791, South Korea
[2] Beijing Univ Aeronaut & Astronaut, Dept Mat Sci & Engn, Beijing 100083, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2001年 / 79卷 / 05期
关键词：
D O I：
10.1063/1.1389511
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A method, which determines simultaneously the magnetostrictive coefficient, Young's modulus, and Poisson ratio of a thin film utilizing the minimization of the total elastic energy of a cantilever film-substrate system, is suggested. An inaccuracy for the magnetostrictive coefficient, caused by assuming the elastic properties of the film as those of the corresponding bulk material, could be avoided and only a single elastic isotropic substrate is employed in the present method. The experimental data of an Fe-based amorphous thin film were analyzed by using the model. The calculated dependence of the magnetostrictive coefficient on the external magnetic field was compared with the experiment, and the discrepancy between both results were explained. The elastic properties of the film were also obtained. (C) 2001 American Institute of Physics.
引用
收藏
页码：650 / 652
页数：3
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