Surface acoustic wave propagation in y - And Z -cut 0.67 PbMgNbO 3 -0.33 PbTiO3 single crystals

Xiuming Li, Rui Zhang, Naixing Huang, Tianquan Lü, Wenwu Cao

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Surface acoustic wave (SAW) propogation in Y -cut and Z -cut relaxor-based 0.67Pb (Mg1/3Nb2/3) O3 -0.33 PbTiO3 (PMN-33%PT) ferroelectric single crystals poled along [001] c cubic direction has been analyzed theoretically. Characteristic curves were obtained for the phase velocity, electromechanical coupling coefficient and PFA of SAW in Y -cut and Z -cut PMN-33%PT single crystals. It was found that the phase velocity is lower, while the electromechanical coupling coefficient is much higher, than that of traditional piezoelectric materials. The power flow angle (PFA) can be zero in certain directions, which makes this crystal system a promising material for future SAW devices with smaller size and enhanced performance. The directions near 45° and 135° of Y -cut PMN-33%PT crystals are found to be optimum directions for SAW device applications.

Original languageEnglish (US)
Article number054110
JournalJournal of Applied Physics
Volume106
Issue number5
DOIs
StatePublished - Sep 28 2009

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wave propagation
surface acoustic wave devices
acoustics
single crystals
coupling coefficients
phase velocity
crystals
curves

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Li, Xiuming ; Zhang, Rui ; Huang, Naixing ; Lü, Tianquan ; Cao, Wenwu. / Surface acoustic wave propagation in y - And Z -cut 0.67 PbMgNbO 3 -0.33 PbTiO3 single crystals. In: Journal of Applied Physics. 2009 ; Vol. 106, No. 5.
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abstract = "Surface acoustic wave (SAW) propogation in Y -cut and Z -cut relaxor-based 0.67Pb (Mg1/3Nb2/3) O3 -0.33 PbTiO3 (PMN-33{\%}PT) ferroelectric single crystals poled along [001] c cubic direction has been analyzed theoretically. Characteristic curves were obtained for the phase velocity, electromechanical coupling coefficient and PFA of SAW in Y -cut and Z -cut PMN-33{\%}PT single crystals. It was found that the phase velocity is lower, while the electromechanical coupling coefficient is much higher, than that of traditional piezoelectric materials. The power flow angle (PFA) can be zero in certain directions, which makes this crystal system a promising material for future SAW devices with smaller size and enhanced performance. The directions near 45° and 135° of Y -cut PMN-33{\%}PT crystals are found to be optimum directions for SAW device applications.",
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Surface acoustic wave propagation in y - And Z -cut 0.67 PbMgNbO 3 -0.33 PbTiO3 single crystals. / Li, Xiuming; Zhang, Rui; Huang, Naixing; Lü, Tianquan; Cao, Wenwu.

In: Journal of Applied Physics, Vol. 106, No. 5, 054110, 28.09.2009.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Surface acoustic wave propagation in y - And Z -cut 0.67 PbMgNbO 3 -0.33 PbTiO3 single crystals

AU - Li, Xiuming

AU - Zhang, Rui

AU - Huang, Naixing

AU - Lü, Tianquan

AU - Cao, Wenwu

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