| (Ni0.8Zn0.2Fe2O4)epoxy-PZT双层膜中的磁电效应 |
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| 引用本文： | Srinivasan G.. (Ni0.8Zn0.2Fe2O4)epoxy-PZT双层膜中的磁电效应[J]. 物理学报, 2006, 55(5): 2548-2552 |
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| 作者姓名： | Srinivasan G. |
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| 作者单位： | 奥克兰大学物理系，罗切斯特 MI 48309,USA;南京师范大学磁电子学实验室，南京 210097 |
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| 基金项目： | 国家自然科学基金(批准号：20473038)和江苏省高技术计划基金(批准号：BG-2005401)资助的课题. |
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| 摘 要： | 讨论了Ni0.8Zn0.2Fe2O4 (NZFO)与锆钛酸铅(PZT)的双层膜结构样品的磁电(ME)效应.NZFO粉料由溶胶-凝胶法制成，再经900℃热压，并高温烧结.在该双层膜中测量到了很强的磁电相互作用.发现横向的磁电效应比纵向效应大一个数量级，并且随NZFO烧结温度的提高而增加.当烧结温度从950℃上升到1380℃时，横向ME电压系数(αE)的最大值变化范围为25.6 mV Am-2≤αE≤199.6 mV Am-2.理论分析显示NZFO-PZT双层膜样品中ME效应源于NZFO与PZT之间相对良好的磁电耦合.关键词：镍铁氧体PZT热压法ME效应
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| 关 键 词： | 镍铁氧体 PZT 热压法 ME效应 |
| 文章编号： | 1000-3290/2006/55（05）2548-05 |
| 收稿时间： | 2005-10-20 |
| 修稿时间： | 2005-10-202005-11-11 |
Magnetoelectric effect in bilayers of (Ni0.8Zn0.2Fe2O4)epoxy-PZT |
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| Srinivasan G.. Magnetoelectric effect in bilayers of (Ni0.8Zn0.2Fe2O4)epoxy-PZT[J]. Acta Physica Sinica, 2006, 55(5): 2548-2552 |
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| Authors: | Srinivasan G. |
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| Affiliation: | 1 Magnetodectronic Laboratory, Nanjing Normal University, Nanjing 210097, China; 2 Physics Department, Oakland University, Rochester, IM 48309, USA |
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| Abstract: | In this paper we discuss the magnetoelectric (ME) effect in bilayers of Nickle Zinc ferrite (NZFO) and lead zirocnate titanate (PZT). The powder of NZFO was prepared by sol-gel technique, then hot-pressed at 900℃, and sintered at high temperatures. In these bilayers we measured strong magnetoelectric interaction and observed that the transverse ME effect was higher than the longitudinal effect by one order of magnitude, and the ME effect tended to be stronger as the sintering temperature of NZFO increased. When the sintering temperature was increased from 950℃ to 1380℃, the maximum voltage coefficient of transverse ME effect could change in the range of 25.6 mV Am-2≤αE≤199.6mV Am-2. Theoretical analysis shows that the ME effect observed in these samples origins from a good magnetoelectric coupling between NZFO and PZT. |
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| Keywords: | Ni0.8Zn0.2Fe2O4 PZT hot-pressing ME effect |
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