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 journalArticle

49 Citations (Scopus)

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 languageEnglish (US)
Pages (from-to)2703-2708
Number of pages6
JournalIEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Volume55
Issue number12
DOIs
StatePublished - Dec 1 2008

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piezoelectric crystals
Single crystals
sensors
single crystals
Sensors
coefficients
Temperature
temperature
pulling
Crystal growth from melt
Electromechanical coupling
crystals
Crystal orientation
rare earth elements
Rare earths
electrical properties
permittivity
Electric properties
Permittivity
electrical resistivity

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Acoustics and Ultrasonics
  • Instrumentation

Cite this

Zhang, Shujun ; Fei, Yiting ; Frantz, Eric ; Snyder, David W. ; Chai, Bruce H T ; Shrout, Thomas R. / High-temperature piezoelectric single crystal ReCa4O(BO 3)3 for sensor applications. In: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 2008 ; Vol. 55, No. 12. pp. 2703-2708.
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High-temperature piezoelectric single crystal ReCa4O(BO 3)3 for sensor applications. / Zhang, Shujun; Fei, Yiting; Frantz, Eric; Snyder, David W.; Chai, Bruce H T; Shrout, Thomas R.

In: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 55, No. 12, 01.12.2008, p. 2703-2708.

Research output: Contribution to journalArticle

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AU - Shrout, Thomas R.

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