Theoretical study on guided wave propagation in (1 - X)Pb(Mg 1/3Nb2/3)O3-xPbTiO3 (x = 0.29 and 0.33) single crystal plates

Chuanwen Chen, Rui Zhang, Wenwu Cao

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

The propagation of guided waves in free standing (1 - x)Pb(Mg 1/3Nb2/3)O3-xPbTiO3 PMN-xPT (x = 0.29 or 0.33) single crystal plates has been studied theoretically. The polar directions are in the 〈111〉 family directions of the cubic reference coordinates but the crystals are being polarized along 0 0 1c, 0 1 1c and 1 1 1c of the cubic reference directions so that the effective microscopic symmetries are 4mm, mm2 and 3m, respectively. Multiple mode couplings appear in the dispersion curves for both the symmetric and the antisymmetric Lamb and shear horizontal modes. The velocities of most guided waves decrease rapidly with frequency. Then, after passing a minimum, they begin to increase with frequency and eventually saturate to the shear wave velocity vsz (or v1 = 3507 m s-1 for 1 1 1c polarized sample). For a 1 1 1c polarized single domain PMN-0.33PT sample, the S1 mode instead of the S0 mode approaches the Rayleigh velocity vR at high frequencies.

Original languageEnglish (US)
Article number095411
JournalJournal of Physics D: Applied Physics
Volume42
Issue number9
DOIs
StatePublished - May 7 2009

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Guided electromagnetic wave propagation
Wave propagation
wave propagation
Single crystals
single crystals
Shear waves
coupled modes
S waves
shear
Crystals
propagation
symmetry
curves
crystals
Direction compound

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Acoustics and Ultrasonics
  • Surfaces, Coatings and Films

Cite this

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title = "Theoretical study on guided wave propagation in (1 - X)Pb(Mg 1/3Nb2/3)O3-xPbTiO3 (x = 0.29 and 0.33) single crystal plates",
abstract = "The propagation of guided waves in free standing (1 - x)Pb(Mg 1/3Nb2/3)O3-xPbTiO3 PMN-xPT (x = 0.29 or 0.33) single crystal plates has been studied theoretically. The polar directions are in the 〈111〉 family directions of the cubic reference coordinates but the crystals are being polarized along 0 0 1c, 0 1 1c and 1 1 1c of the cubic reference directions so that the effective microscopic symmetries are 4mm, mm2 and 3m, respectively. Multiple mode couplings appear in the dispersion curves for both the symmetric and the antisymmetric Lamb and shear horizontal modes. The velocities of most guided waves decrease rapidly with frequency. Then, after passing a minimum, they begin to increase with frequency and eventually saturate to the shear wave velocity vsz (or v1 = 3507 m s-1 for 1 1 1c polarized sample). For a 1 1 1c polarized single domain PMN-0.33PT sample, the S1 mode instead of the S0 mode approaches the Rayleigh velocity vR at high frequencies.",
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Theoretical study on guided wave propagation in (1 - X)Pb(Mg 1/3Nb2/3)O3-xPbTiO3 (x = 0.29 and 0.33) single crystal plates. / Chen, Chuanwen; Zhang, Rui; Cao, Wenwu.

In: Journal of Physics D: Applied Physics, Vol. 42, No. 9, 095411, 07.05.2009.

Research output: Contribution to journalArticle

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