Surface load induced electrical impedance shift in relaxor-PbTiO 3 crystal piezoelectric resonators

Kyungrim Kim; Shujun Zhang; Xiaoning Jiang

doi:10.1063/1.4729766

Surface load induced electrical impedance shift in relaxor-PbTiO ₃ crystal piezoelectric resonators

Kyungrim Kim, Shujun Zhang, Xiaoning Jiang

Materials Research Institute (MRI)

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

The effect of surface loads on Pb(Mg _1/3Nb _2/3)O ₃-PbTiO ₃ single crystal piezoelectric resonators was studied. Electrical impedance shifts at both resonance and anti-resonance frequencies due to surface loads were recorded for comparison among face-shear mode, thickness-shear mode, and thickness mode resonators. It was observed that electrical impedances of face shear mode resonators exhibited significantly higher sensitivity to surface load changes comparing with other resonators with similar dimensions, because of enhanced energy dissipation in face shear mode resonators, indicating a promising innovative face-shear mode single crystal piezoelectric sensing mechanism.

Original language	English (US)
Article number	253501
Journal	Applied Physics Letters
Volume	100
Issue number	25
DOIs	https://doi.org/10.1063/1.4729766
State	Published - Jun 18 2012

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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title = "Surface load induced electrical impedance shift in relaxor-PbTiO 3 crystal piezoelectric resonators",

abstract = "The effect of surface loads on Pb(Mg 1/3Nb 2/3)O 3-PbTiO 3 single crystal piezoelectric resonators was studied. Electrical impedance shifts at both resonance and anti-resonance frequencies due to surface loads were recorded for comparison among face-shear mode, thickness-shear mode, and thickness mode resonators. It was observed that electrical impedances of face shear mode resonators exhibited significantly higher sensitivity to surface load changes comparing with other resonators with similar dimensions, because of enhanced energy dissipation in face shear mode resonators, indicating a promising innovative face-shear mode single crystal piezoelectric sensing mechanism.",

author = "Kyungrim Kim and Shujun Zhang and Xiaoning Jiang",

note = "Funding Information: The author would like to thank their lab members, Saurabh Bakshi, Laura Tolliver, and Sijia Guo, for the insightful comments. The work is partially supported by NC State career development fund provided to XJ.",

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N2 - The effect of surface loads on Pb(Mg 1/3Nb 2/3)O 3-PbTiO 3 single crystal piezoelectric resonators was studied. Electrical impedance shifts at both resonance and anti-resonance frequencies due to surface loads were recorded for comparison among face-shear mode, thickness-shear mode, and thickness mode resonators. It was observed that electrical impedances of face shear mode resonators exhibited significantly higher sensitivity to surface load changes comparing with other resonators with similar dimensions, because of enhanced energy dissipation in face shear mode resonators, indicating a promising innovative face-shear mode single crystal piezoelectric sensing mechanism.

AB - The effect of surface loads on Pb(Mg 1/3Nb 2/3)O 3-PbTiO 3 single crystal piezoelectric resonators was studied. Electrical impedance shifts at both resonance and anti-resonance frequencies due to surface loads were recorded for comparison among face-shear mode, thickness-shear mode, and thickness mode resonators. It was observed that electrical impedances of face shear mode resonators exhibited significantly higher sensitivity to surface load changes comparing with other resonators with similar dimensions, because of enhanced energy dissipation in face shear mode resonators, indicating a promising innovative face-shear mode single crystal piezoelectric sensing mechanism.

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Surface load induced electrical impedance shift in relaxor-PbTiO ₃ crystal piezoelectric resonators

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