期刊
APPLIED PHYSICS LETTERS
卷 104, 期 20, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4878559
关键词
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资金
- National Natural Science Foundation of China [51372148, 51172138]
- Fundamental Research Funds for the Central Universities [GK201401003]
Direct and converse magnetoelectric effects are two opposite processes, which were integrated in a model based on equivalent circuit. Following the piezoelectric and magnetostrictive constitutive equations, we obtained magnetic-mechanical-electric equations, and then built a symmetric equivalent circuit about the magnetoelectric coupling. We equivalently analyzed the direct and converse magnetoelectric effects with this equivalent circuit. The numerical calculations fit the reported results very well, including the magnetoelectric changes with the thickness ratio and frequency, the relative lower converse magnetoelectric resonance frequency, and the phase increase of p around the direct and converse magnetoelectric resonance frequencies. This model helps us understand the magnetoelectric properties deeply, especially for the converse magnetoelectric effect. (C) 2014 AIP Publishing LLC.
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