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Current-voltage characteristics of lead zirconate titanate/nickel bilayered hollow cylindrical magnetoelectric composites 下载免费PDF全文
Current--voltage measurements obtained from lead zirconate
titanate/nickel bilayered hollow cylindrical magnetoelectric
composite showed that a sinusoidal current applied to the copper
coil wrapped around the hollow cylinder circumference induces
voltage across the lead zirconate titanate layer thickness. The
current--voltage coefficient and the maximum induced voltage in lead
zirconate titanate at 1~kHz and resonance (60.1~kHz) frequencies
increased linearly with the number of the coil turns and the applied
current. The resonance frequency corresponds to the
electromechanical resonance frequency. The current--voltage
coefficient can be significantly improved by optimizing the
magnetoelectric structure geometry and/or increasing the number of
coil turns. Hollow cylindrical lead zirconate titanate/nickel
structures can be potentially used as current sensors. 相似文献
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