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Effect of a viscous liquid layer on the transverse surface waves in transversely piezoelectric materials with unattached electrode

  • Xi'an Jiaotong University
  • Institute of Science Tokyo

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The propagation of the transverse surface waves in an unbounded piezoelectric half-space with a viscous liquid layer between the half-space surface and an unattached electrode is analyzed. An exact dispersion relation is obtained from the equations of the linear theory of piezoelectricity. Results show that the wave speed is sensitive to the viscous coefficient, the mass density and the dielectric permittivity of the fluid layer. Especially, the phase velocity changes linearly with the increasing mass density when other parameters keep constant, which can be used to manipulate the behavior of the waves and has implications in acoustic wave devices.

Original languageEnglish
Title of host publicationProceedings of the 2010 Symposium on Piezoelectricity, Acoustic Waves and Device Applications, SPAWDA10
Pages409-412
Number of pages4
DOIs
StatePublished - 2010
Event2010 Symposium on Piezoelectricity, Acoustic Waves and Device Applications, SPAWDA10 - Xiamen, China
Duration: 10 Dec 201013 Dec 2010

Publication series

NameProceedings of the 2010 Symposium on Piezoelectricity, Acoustic Waves and Device Applications, SPAWDA10

Conference

Conference2010 Symposium on Piezoelectricity, Acoustic Waves and Device Applications, SPAWDA10
Country/TerritoryChina
CityXiamen
Period10/12/1013/12/10

Keywords

  • Transverse surface waves
  • a viscous liquid layer
  • dispersion relation

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