发明授权
- 专利标题： Magnetoelectric effects of magnetostrictive and piezoelectric layered composites
- 专利标题（中）： 磁致伸缩和压电层状复合材料的磁电效应
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申请号： US10354863申请日： 2003-01-30
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公开(公告)号： US07226666B2公开(公告)日： 2007-06-05
- 发明人: Gopalan Srinivasan
- 申请人： Gopalan Srinivasan
- 申请人地址： US MI Rochester
- 专利权人： Oakland University
- 当前专利权人： Oakland University
- 当前专利权人地址： US MI Rochester
- 代理商 Ian C. McLeod; Steven E. Merritt
- 主分类号： B22F7/02
- IPC分类号： B22F7/02 ; B32B15/04
摘要：
An improved magnetoelectric composite which incorporates LaSrMn or LaCaMn oxides as a magnetostrictive composition are described. The magnetostrictive composition preferably has the formula La0.7Sr0.3MnO3 or La0.7Ca0.3MnO3. The composites preferably have a magnetostrictive layer joined to a piezoelectric layer. The composites are useful for sensors, read-heads, storage media and high frequency transducer devices.
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