High-temperature piezoelectric single crystal ReCa4O(BO 3)3 for sensor applications

Shujun Zhang; Yiting Fei; Eric Frantz; David W. Snyder; Bruce H.T. Chai; Thomas R. Shrout

doi:10.1109/TUFFC.2008.985

High-temperature piezoelectric single crystal ReCa₄O(BO ₃)₃ for sensor applications

Shujun Zhang, Yiting Fei, Eric Frantz, David W. Snyder, Bruce H.T. Chai, Thomas R. Shrout

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

63 Scopus citations

Abstract

Large-size and high-quality ReCa₄O(BO₃)₃ (Re-COB, Re = rare earth) single crystals were grown by the Czochralski pulling method. In this work, the electrical properties were investigated at room temperature and elevated temperature for YCa₄O(BO₃) ₃ (YCOB). The dielectric permittivity, piezoelectric strain coefficient, and electromechanical coupling were found to be on the order of 11, 6.5 pC/N, and 12.5%, respectively, with a high piezoelectric voltage coefficient around 0.067 Vm/N. The electrical resistivity of YCOB was found to be 2 × 10⁸ Ohm·cm at 800°C, with Q values of ≤ 4,500 at 950°C. The frequency/temperature coefficient of YCOB was found to be-75 to-85ppm/K in the temperature range of 30 to 950°C, depending on the crystal orientations. Together with their temperature-independent properties, ReCOB crystals are promising candidates for sensing applications at elevated temperatures.

Original language	English (US)
Pages (from-to)	2703-2708
Number of pages	6
Journal	IEEE transactions on ultrasonics, ferroelectrics, and frequency control
Volume	55
Issue number	12
DOIs	https://doi.org/10.1109/TUFFC.2008.985
State	Published - Dec 2008

All Science Journal Classification (ASJC) codes

Instrumentation
Acoustics and Ultrasonics
Electrical and Electronic Engineering

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10.1109/TUFFC.2008.985

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title = "High-temperature piezoelectric single crystal ReCa4O(BO 3)3 for sensor applications",

abstract = "Large-size and high-quality ReCa4O(BO3)3 (Re-COB, Re = rare earth) single crystals were grown by the Czochralski pulling method. In this work, the electrical properties were investigated at room temperature and elevated temperature for YCa4O(BO3) 3 (YCOB). The dielectric permittivity, piezoelectric strain coefficient, and electromechanical coupling were found to be on the order of 11, 6.5 pC/N, and 12.5%, respectively, with a high piezoelectric voltage coefficient around 0.067 Vm/N. The electrical resistivity of YCOB was found to be 2 × 108 Ohm·cm at 800°C, with Q values of ≤ 4,500 at 950°C. The frequency/temperature coefficient of YCOB was found to be-75 to-85ppm/K in the temperature range of 30 to 950°C, depending on the crystal orientations. Together with their temperature-independent properties, ReCOB crystals are promising candidates for sensing applications at elevated temperatures.",

author = "Shujun Zhang and Yiting Fei and Eric Frantz and Snyder, {David W.} and Chai, {Bruce H.T.} and Shrout, {Thomas R.}",

year = "2008",

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AU - Zhang, Shujun

AU - Fei, Yiting

AU - Frantz, Eric

AU - Snyder, David W.

AU - Chai, Bruce H.T.

AU - Shrout, Thomas R.

PY - 2008/12

Y1 - 2008/12

N2 - Large-size and high-quality ReCa4O(BO3)3 (Re-COB, Re = rare earth) single crystals were grown by the Czochralski pulling method. In this work, the electrical properties were investigated at room temperature and elevated temperature for YCa4O(BO3) 3 (YCOB). The dielectric permittivity, piezoelectric strain coefficient, and electromechanical coupling were found to be on the order of 11, 6.5 pC/N, and 12.5%, respectively, with a high piezoelectric voltage coefficient around 0.067 Vm/N. The electrical resistivity of YCOB was found to be 2 × 108 Ohm·cm at 800°C, with Q values of ≤ 4,500 at 950°C. The frequency/temperature coefficient of YCOB was found to be-75 to-85ppm/K in the temperature range of 30 to 950°C, depending on the crystal orientations. Together with their temperature-independent properties, ReCOB crystals are promising candidates for sensing applications at elevated temperatures.

AB - Large-size and high-quality ReCa4O(BO3)3 (Re-COB, Re = rare earth) single crystals were grown by the Czochralski pulling method. In this work, the electrical properties were investigated at room temperature and elevated temperature for YCa4O(BO3) 3 (YCOB). The dielectric permittivity, piezoelectric strain coefficient, and electromechanical coupling were found to be on the order of 11, 6.5 pC/N, and 12.5%, respectively, with a high piezoelectric voltage coefficient around 0.067 Vm/N. The electrical resistivity of YCOB was found to be 2 × 108 Ohm·cm at 800°C, with Q values of ≤ 4,500 at 950°C. The frequency/temperature coefficient of YCOB was found to be-75 to-85ppm/K in the temperature range of 30 to 950°C, depending on the crystal orientations. Together with their temperature-independent properties, ReCOB crystals are promising candidates for sensing applications at elevated temperatures.

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High-temperature piezoelectric single crystal ReCa₄O(BO ₃)₃ for sensor applications

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