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Magnetoelectric coupling and the hydrogen effect on Ni-PZT-Ni trilayers made by electrodeposition

机译:电沉积Ni-PZT-Ni三层的磁电耦合和氢效应

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摘要

The magnetoclectric (ME) coupling from 20 Hz to 100 kHz and the hydrogen effect on Ni-PZT-Ni trilayer composites made by electrodeposition have been investigated. The results show that the magnetoelectric voltage coefficient, alpha(E), 31, increases with increased Ni layer thickness, up to alpha(E), 31 = 1.6 V cm(-1) Oe(-1). The ME voltage coefficient decreases with the increase of hydrogen concentration. To prevent the degradation of ME coupling, the plating solution and process parameters of electrodeposition should be chosen suitably. Moreover, an additional outgassing process after electrodeposition can reduce the hydrogen concentration and effectively promote ME coupling.
机译:研究了从20 Hz到100 kHz的磁电耦合(ME)以及氢对电沉积Ni-PZT-Ni三层复合材料的影响。结果表明,磁电电压系数α(E)31随着Ni层厚度的增加而增加,直至α(E)31 = 1.6 V cm(-1)Oe(-1)。 ME电压系数随着氢浓度的增加而降低。为了防止ME耦合性能下降,应适当选择电镀液和电镀工艺参数。而且,电沉积后的附加除气过程可以降低氢浓度并有效地促进ME耦合。

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