Surface acoustic wave propagation in relaxor-based ferroelectric single crystals 0.93Pb(Zn1/3Nb2/3)O3-0.07PbTiO 3 Poled along [011]c

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

doi:10.1088/0256-307X/29/2/024302

Surface acoustic wave propagation in relaxor-based ferroelectric single crystals 0.93Pb(Zn_1/3Nb_2/3)O₃-0.07PbTiO ₃ Poled along [011]_c

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

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

7 Scopus citations

Abstract

Surface acoustic wave (SAW) propagation in relaxor-based ferroelectric single crystals 0.93Pb(Zn_1/3Nb_2/3)O₃-0. 07PbTiO₃ (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 language	English (US)
Article number	024302
Journal	Chinese Physics Letters
Volume	29
Issue number	2
DOIs	https://doi.org/10.1088/0256-307X/29/2/024302
State	Published - Feb 2012

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1088/0256-307X/29/2/024302

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title = "Surface acoustic wave propagation in relaxor-based ferroelectric single crystals 0.93Pb(Zn1/3Nb2/3)O3-0.07PbTiO 3 Poled along [011]c",

abstract = "Surface acoustic wave (SAW) propagation in relaxor-based ferroelectric single crystals 0.93Pb(Zn1/3Nb2/3)O3-0. 07PbTiO3 (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.",

author = "Li, {Xiu Ming} and Rui Zhang and Huang, {Nai Xing} and L{\"u}, {Tian Quan} and Cao, {Wen Wu}",

year = "2012",

month = feb,

doi = "10.1088/0256-307X/29/2/024302",

language = "English (US)",

volume = "29",

journal = "Chinese Physics Letters",

issn = "0256-307X",

publisher = "IOP Publishing Ltd.",

number = "2",

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T1 - Surface acoustic wave propagation in relaxor-based ferroelectric single crystals 0.93Pb(Zn1/3Nb2/3)O3-0.07PbTiO 3 Poled along [011]c

AU - Li, Xiu Ming

AU - Zhang, Rui

AU - Huang, Nai Xing

AU - Lü, Tian Quan

AU - Cao, Wen Wu

PY - 2012/2

Y1 - 2012/2

N2 - Surface acoustic wave (SAW) propagation in relaxor-based ferroelectric single crystals 0.93Pb(Zn1/3Nb2/3)O3-0. 07PbTiO3 (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.

AB - Surface acoustic wave (SAW) propagation in relaxor-based ferroelectric single crystals 0.93Pb(Zn1/3Nb2/3)O3-0. 07PbTiO3 (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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JO - Chinese Physics Letters

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Surface acoustic wave propagation in relaxor-based ferroelectric single crystals 0.93Pb(Zn_1/3Nb_2/3)O₃-0.07PbTiO ₃ Poled along [011]_c

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