Lead-free magnetoelectric laminated composite of Mn-doped Na0.5Bi0.5TiO3–BaTiO3 single crystal and Tb0.3Dy0.7Fe1.92 alloy
Lead-free magnetoelectric laminated composite of Mn-doped Na0.5Bi0.5TiO3–BaTiO3 single crystal and Tb0.3Dy0.7Fe1.92 alloy
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DOI：
10.1016/j.jallcom.2010.02.029
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发表时间：
2010-04
影响因子：
6.2
通讯作者：
Yaojin Wang;Xiangyong Zhao;J. Jiao;Qinhui Zhang;Wenning Di;Haosu Luo;C. Leung;S. Or
中科院分区：
文献类型：
--
作者：
Yaojin Wang;Xiangyong Zhao;J. Jiao;Qinhui Zhang;Wenning Di;Haosu Luo;C. Leung;S. Or
制备了一种由厚度极化的Mn掺杂的Na0.5Bi0.5TiO3-BaTiO 3压电单晶和长度磁化的磁致伸缩合金Tb0.3Dy0.7Fe1.92（L-T模式）组成的无铅磁电（ME）叠层复合材料，并对其磁电性能进行了评价。结果表明，在10 - 7 T <Hac<10 - 3 T的低频范围内，复合材料具有超过1.32V/cmOe的线性磁电响应，ME系数显著增大，在160 kHz附近达到最大值18 V/cmOe。这种异质结构为环境友好的磁传感器开辟了可能性。
A lead-free magnetoelectric (ME) laminate composite consisting of thickness-polarized piezoelectric Mn-doped Na0.5Bi0.5TiO3–BaTiO3single crystal and length-magnetized magnetostrictive Tb0.3Dy0.7Fe1.92alloy (L-T mode), have been fabricated and its ME properties has been evaluated. The results revealed that the lead-free composite has linear magnetic-electric response in excess of 1.32V/cmOe at low frequency over the range of 10−7T<Hac<10−3T, the ME coefficient dramatically increases and reaches the maximized value of 18V/cmOe near the resonance frequency of 160kHz. This heterostructure opens up the possibility for environment-friendly magnetic sensors.