Bidirectional tunable ferrite-piezoelectric trilayer magnetoelectric inductors

A tunable magnetoelectric inductor composed of a symmetrical trilayer of Ga-doped NiZn ferrite and PZT in a solenoid has been developed. Under the influence of external electric/magnetic fields, the permeability variation arising from magnetostriction and piezoelectric strain in the composite result...

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Veröffentlicht in:Applied physics letters 2018-09, Vol.113 (11)
Hauptverfasser: Zhang, Jitao, Chen, Dongyu, Filippov, D. A., Li, Kang, Zhang, Qingfang, Jiang, Liying, Zhu, Weiwei, Cao, Lingzhi, Srinivasan, Gopalan
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Sprache:eng
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Zusammenfassung:A tunable magnetoelectric inductor composed of a symmetrical trilayer of Ga-doped NiZn ferrite and PZT in a solenoid has been developed. Under the influence of external electric/magnetic fields, the permeability variation arising from magnetostriction and piezoelectric strain in the composite results in a bidirectional tuning of the inductance L with a maximum tunability of 571% at a lower magnetic field. The largest variation in L occurs for frequencies centered around longitudinal acoustic resonance. The dual and large tunability of L is of importance for applications in compact and power-efficient integrated circuits.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.5044738