Surface acoustic wave propagation in relaxor-based ferroelectric single crystals 0.93Pb(Zn 1/3Nb 2/3)O 3-0.07PbTiO 3 Poled along [011] c

Xiu Ming Li, Rui Zhang, Nai Xing Huang, Tian Quan Lü, Wen Wu Cao

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Surface acoustic wave (SAW) propagation in relaxor-based ferroelectric single crystals 0.93Pb(Zn 1/3Nb 2/3)O 3-0. 07PbTiO 3 (PZN-7%PT) poled along [011] c has been analyzed theoretically. The results show that PZN-7%PT single crystals have excellent SAW properties, such as low phase velocities, very high electromechanical coupling coefficients and small power flow angles. It is also found that the SAW properties strongly depend on the propagation direction and the characteristic curves of SAW phase velocity, and the electromechanical coupling coefficients are symmetric with respect to θ = 90°. Considering all related factors, the X-cut PZN-7%PT single crystal has the best performance. Based on our results, the X-cut PZN-7%PT single crystals poled along [011] c are an excellent candidate for ultra-wide bandwidth low-frequency SAW devices.

Original languageEnglish (US)
Article number024302
JournalChinese Physics Letters
Volume29
Issue number2
DOIs
StatePublished - Feb 1 2012

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wave propagation
acoustics
single crystals
coupling coefficients
phase velocity
surface acoustic wave devices
low speed
low frequencies
bandwidth
propagation
curves

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

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title = "Surface acoustic wave propagation in relaxor-based ferroelectric single crystals 0.93Pb(Zn 1/3Nb 2/3)O 3-0.07PbTiO 3 Poled along [011] c",
abstract = "Surface acoustic wave (SAW) propagation in relaxor-based ferroelectric single crystals 0.93Pb(Zn 1/3Nb 2/3)O 3-0. 07PbTiO 3 (PZN-7{\%}PT) poled along [011] c has been analyzed theoretically. The results show that PZN-7{\%}PT single crystals have excellent SAW properties, such as low phase velocities, very high electromechanical coupling coefficients and small power flow angles. It is also found that the SAW properties strongly depend on the propagation direction and the characteristic curves of SAW phase velocity, and the electromechanical coupling coefficients are symmetric with respect to θ = 90°. Considering all related factors, the X-cut PZN-7{\%}PT single crystal has the best performance. Based on our results, the X-cut PZN-7{\%}PT single crystals poled along [011] c are an excellent candidate for ultra-wide bandwidth low-frequency SAW devices.",
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Surface acoustic wave propagation in relaxor-based ferroelectric single crystals 0.93Pb(Zn 1/3Nb 2/3)O 3-0.07PbTiO 3 Poled along [011] c . / Li, Xiu Ming; Zhang, Rui; Huang, Nai Xing; Lü, Tian Quan; Cao, Wen Wu.

In: Chinese Physics Letters, Vol. 29, No. 2, 024302, 01.02.2012.

Research output: Contribution to journalArticle

TY - JOUR

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AU - Li, Xiu Ming

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AU - Huang, Nai Xing

AU - Lü, Tian Quan

AU - Cao, Wen Wu

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