Large converse magnetoelectric effect in ferromagnetic shape memory alloy Ni49Fe18Ga27Co6 and Pb(Zr0.52Ti0.48)O3 laminates

Large converse magnetoelectric effect in ferromagnetic shape memory alloy Ni49Fe18Ga27Co6 and Pb(Zr0.52Ti0.48)O3 laminates
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铁磁形状记忆合金Ni49Fe18Ga27Co6和Pb(Zr0.52Ti0.48)O3层压板中的大逆磁电效应

DOI:
10.1016/j.jallcom.2011.12.098
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发表时间:
2012-04
影响因子:
6.2
通讯作者:
--
中科院分区:
材料科学2区
文献类型:
--
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将铁磁形状记忆合金Ni 49 Fe 18 Ga 27 Co 6与Pb(Zr0.52Ti0.48)O3叠层复合,研究其匡威磁电(CME)效应。详细研究了CME特性随驱动电压、偏置磁场和直流偏置电压频率的变化。在低的最佳Hbias(100 Oe)下,在谐振频率89 kHz处观察到了1.05G/V的大α B值。在1 kHz处,通过将直流偏置电压从−100 V增加到100 V,α B的最大值可以从8.7 mG/V调谐到25 mG/V,表现出极大的α B值可调范围。这种复合材料在电控磁力器件中具有很好的应用前景。
Ferromagnetic shape memory alloy Ni49Fe18Ga27Co6was used in a laminated composite with Pb(Zr0.52Ti0.48)O3for studying the converse magnetoelectric (CME) effect. The CME properties with the frequency of driving electric voltage, bias magnetic field, and dc bias electric voltages were investigated in detail. A large value of αBof 1.05G/V at the resonance frequency 89kHz is observed under a low optimum Hbiasof 100Oe. The maximum values of αBat 1kHz can be tuned from 8.7 to 25mG/V by increasing dc voltage bias from −100 to 100V, exhibiting a giant tunable range in αBvalues. This composite exhibits promising applications in electrically controlled magnetic force devices.
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