Frequency multiplying behavior in a magnetoelectric unimorph
Frequency multiplying behavior in a magnetoelectric unimorph
复制标题
磁电单压电晶片的倍频行为
DOI:
10.1063/1.3678635
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发表时间:
2012-01
影响因子:
4
通讯作者:
Wei, Fulin
中科院分区:
文献类型:
--
作者:
Zhang, Wenhui;Yin, Ge;Cao, Jiangwei;Bai, Jianmin;Wei, Fulin
We observe frequency multiplying behavior in a magnetoelectric (ME) unimorph: such a frequency-multiplied signal is generated when the input frequency (fin) of an alternating current magnetic field (Hac) is around 1/n (n denotes integer) of the mechanical resonance frequency (fr) of the device. We observe both odd and even harmonic signals when a direct current magnetic field (Hdc) is applied, whereas only even harmonic signals arise for Hdc = 0. This behavior results from the combined effect of the nonlinear character of the Metglas magnetostriction and a mechanical resonance phenomenon in the magnetoelectric unimorph.
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