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Magnetoelectric Coupling in Bilayers of Pb(Zr, Ti)O3 Epoxy and Hot Pressed Manganite Perovskite
引用本文:张宁 印晓明 王淼 Schneider T. Srinivasan G..Magnetoelectric Coupling in Bilayers of Pb(Zr, Ti)O3 Epoxy and Hot Pressed Manganite Perovskite[J].中国物理快报,2006,23(2):463-466.
作者姓名:张宁  印晓明  王淼  Schneider  T.  Srinivasan  G.
作者单位:[1]Department of Physics, Nanjing Normal University, Nanjing 210097 [2]Department of Physics, Oakland University, Rochester, MI 48309, USA
基金项目:Supported by the National Natural Science Foundation of China under Grant No 20473038, the Foandation of High-Tech Project of Jiangsu Province under Grant No BG-2005401, and the National Science Foundation of USA under DMR-0302254.
摘    要:The synthesis and magnetoclectric (ME) characterization of bilayers of Pb(Zr, Ti)O3 (PZT) and hot pressed manganite perovskite La0.7Sr0.3MnO3 (LSMO) are discussed. Very strong ME interactions are measured for the bilayers. The bilayers exhibit superior ME coupling compared to thick-film composites prepared by tape casting process. Data of the ME voltage coefficient have been obtained as functions of bias magnetic field H, temperature and frequency. The transverse coupling is stronger than the longitudinal interactions and a maximum in the ME voltage coefficient is measured at 225K. The frequency dependence of the ME voltage coefficient reveals a peak at the electromechanical resonance due to radial modes.

关 键 词:磁电耦合  双分子层  ME  电磁学  亚锰酸盐  钙钛矿
收稿时间:2005-09-21
修稿时间:2005-09-21
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