[111]-oriented PIN-PMN-PT crystals with ultrahigh dielectric permittivity and high frequency constant for high-frequency transducer applications

Fei Li; Shujun Zhang; Jun Luo; Xuecang Geng; Zhuo Xu; Thomas R. Shrout

doi:10.1063/1.4961202

[111]-oriented PIN-PMN-PT crystals with ultrahigh dielectric permittivity and high frequency constant for high-frequency transducer applications

Fei Li, Shujun Zhang, Jun Luo, Xuecang Geng, Zhuo Xu, Thomas R. Shrout

Materials Research Institute (MRI)

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

7 Scopus citations

Abstract

The electromechanical properties of [111]-oriented tetragonal Pb(In_1/2Nb_1/2O₃)-Pb(Mg_1/3Nb_2/3O₃)-PbTiO₃ (PIN-PMN-PT) crystals were investigated for potential high frequency ultrasonic transducers. The domain-engineered tetragonal crystals exhibit an ultrahigh free dielectric permittivity ϵ₃₃^T> 10 000 with a moderate electromechanical coupling factor k₃₃ ∼ 0.79, leading to a high clamped dielectric permittivity ϵ₃₃^S of 2800, significantly higher than those of the rhombohedral relaxor-PT crystals and high-K (dielectric permittivity) piezoelectric ceramics. Of particular significance is that the [111]-oriented tetragonal crystals were found to possess high elastic stiffness, with frequency constant N₃₃ of ∼2400 Hz m, allowing relatively easy fabrication of high-frequency transducers. In addition, no scaling effect of piezoelectric and dielectric properties was observed down to thickness of 0.1 mm, corresponding to an operational frequency of ∼24 MHz. These advantages of [111]-oriented tetragonal PIN-PMN-PT crystals will benefit high-frequency ultrasonic array transducers, allowing for high sensitivity, broad bandwidth, and reduced noise/crosstalk.

Original language	English (US)
Article number	074105
Journal	Journal of Applied Physics
Volume	120
Issue number	7
DOIs	https://doi.org/10.1063/1.4961202
State	Published - Aug 21 2016

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1063/1.4961202

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@article{37b900f0c4bc4586b445ef18e23acafa,

title = "[111]-oriented PIN-PMN-PT crystals with ultrahigh dielectric permittivity and high frequency constant for high-frequency transducer applications",

abstract = "The electromechanical properties of [111]-oriented tetragonal Pb(In1/2Nb1/2O3)-Pb(Mg1/3Nb2/3O3)-PbTiO3 (PIN-PMN-PT) crystals were investigated for potential high frequency ultrasonic transducers. The domain-engineered tetragonal crystals exhibit an ultrahigh free dielectric permittivity ϵ33T> 10 000 with a moderate electromechanical coupling factor k33 ∼ 0.79, leading to a high clamped dielectric permittivity ϵ33S of 2800, significantly higher than those of the rhombohedral relaxor-PT crystals and high-K (dielectric permittivity) piezoelectric ceramics. Of particular significance is that the [111]-oriented tetragonal crystals were found to possess high elastic stiffness, with frequency constant N33 of ∼2400 Hz m, allowing relatively easy fabrication of high-frequency transducers. In addition, no scaling effect of piezoelectric and dielectric properties was observed down to thickness of 0.1 mm, corresponding to an operational frequency of ∼24 MHz. These advantages of [111]-oriented tetragonal PIN-PMN-PT crystals will benefit high-frequency ultrasonic array transducers, allowing for high sensitivity, broad bandwidth, and reduced noise/crosstalk.",

author = "Fei Li and Shujun Zhang and Jun Luo and Xuecang Geng and Zhuo Xu and Shrout, {Thomas R.}",

note = "Funding Information: This work was supported by ONR under Grant No. N000141211043 and NIH under Grant No. 2P41EB002182-15A1.O. The author F.L. is thankful to The Office of China Postdoctoral Council, National Natural Science Foundation of China (Grant Nos. 51572214 and 51372196), Shaanxi Provincial Natural Science Foundation of China (Grant Nos. 2015JQ5135, 2015JM5185, and 2015JM5199), and the 111 Project (B14040) for their support. Publisher Copyright: {\textcopyright} 2016 Author(s).",

year = "2016",

month = aug,

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doi = "10.1063/1.4961202",

language = "English (US)",

volume = "120",

journal = "Journal of Applied Physics",

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T1 - [111]-oriented PIN-PMN-PT crystals with ultrahigh dielectric permittivity and high frequency constant for high-frequency transducer applications

AU - Li, Fei

AU - Zhang, Shujun

AU - Luo, Jun

AU - Geng, Xuecang

AU - Xu, Zhuo

AU - Shrout, Thomas R.

N1 - Funding Information: This work was supported by ONR under Grant No. N000141211043 and NIH under Grant No. 2P41EB002182-15A1.O. The author F.L. is thankful to The Office of China Postdoctoral Council, National Natural Science Foundation of China (Grant Nos. 51572214 and 51372196), Shaanxi Provincial Natural Science Foundation of China (Grant Nos. 2015JQ5135, 2015JM5185, and 2015JM5199), and the 111 Project (B14040) for their support. Publisher Copyright: © 2016 Author(s).

PY - 2016/8/21

Y1 - 2016/8/21

N2 - The electromechanical properties of [111]-oriented tetragonal Pb(In1/2Nb1/2O3)-Pb(Mg1/3Nb2/3O3)-PbTiO3 (PIN-PMN-PT) crystals were investigated for potential high frequency ultrasonic transducers. The domain-engineered tetragonal crystals exhibit an ultrahigh free dielectric permittivity ϵ33T> 10 000 with a moderate electromechanical coupling factor k33 ∼ 0.79, leading to a high clamped dielectric permittivity ϵ33S of 2800, significantly higher than those of the rhombohedral relaxor-PT crystals and high-K (dielectric permittivity) piezoelectric ceramics. Of particular significance is that the [111]-oriented tetragonal crystals were found to possess high elastic stiffness, with frequency constant N33 of ∼2400 Hz m, allowing relatively easy fabrication of high-frequency transducers. In addition, no scaling effect of piezoelectric and dielectric properties was observed down to thickness of 0.1 mm, corresponding to an operational frequency of ∼24 MHz. These advantages of [111]-oriented tetragonal PIN-PMN-PT crystals will benefit high-frequency ultrasonic array transducers, allowing for high sensitivity, broad bandwidth, and reduced noise/crosstalk.

AB - The electromechanical properties of [111]-oriented tetragonal Pb(In1/2Nb1/2O3)-Pb(Mg1/3Nb2/3O3)-PbTiO3 (PIN-PMN-PT) crystals were investigated for potential high frequency ultrasonic transducers. The domain-engineered tetragonal crystals exhibit an ultrahigh free dielectric permittivity ϵ33T> 10 000 with a moderate electromechanical coupling factor k33 ∼ 0.79, leading to a high clamped dielectric permittivity ϵ33S of 2800, significantly higher than those of the rhombohedral relaxor-PT crystals and high-K (dielectric permittivity) piezoelectric ceramics. Of particular significance is that the [111]-oriented tetragonal crystals were found to possess high elastic stiffness, with frequency constant N33 of ∼2400 Hz m, allowing relatively easy fabrication of high-frequency transducers. In addition, no scaling effect of piezoelectric and dielectric properties was observed down to thickness of 0.1 mm, corresponding to an operational frequency of ∼24 MHz. These advantages of [111]-oriented tetragonal PIN-PMN-PT crystals will benefit high-frequency ultrasonic array transducers, allowing for high sensitivity, broad bandwidth, and reduced noise/crosstalk.

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ER -

[111]-oriented PIN-PMN-PT crystals with ultrahigh dielectric permittivity and high frequency constant for high-frequency transducer applications

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