High temperature ReCOB piezocrystals: Recent developments

Shujun Zhang, Fapeng Yu, Ru Xia, Yiting Fei, Eric Frantz, Xian Zhao, Durong Yuan, Bruce H.T. Chai, David W. Snyder, Thomas R. Shrout

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Piezoelectric sensors for high temperature applications have attracted attention due to their simplistic structure, fast response time and ease of integration. In this article, oxyborate ReCa4O(BO3) 3 (Re: rare earth element; abbreviated as ReCOB) piezoelectric crystals were surveyed for their potential use in high temperature sensing applications. In contrast to quartz and GaPO4 crystals, no phase transformation(s) are observed prior to their melting points, being in the order of ∼1500 °C. The electrical resistivity, dielectric, piezoelectric properties and resonance-impedance characteristics were studied as a function of temperature over the range of Room Temperature (RT) to 950 °C. The resistivity of ReCOB was found to be ∼2×108 Ohm cm at 800 °C, two orders higher than langasite, another widely studied crystal system. The electromechanical coupling factors k26 and piezoelectric coefficients d26 were found to be >20% and >10 pC/N, respectively, with the variation being <20% over the studied temperature range. The resonance frequency for width shear vibration was found to decrease linearly with increasing temperature for YCOB crystals, with the Temperature Coefficient of Frequency (TCF) in the order of 70 ppm/K, while for NdCOB crystals, a nonlinear behavior was observed, demonstrating a potential zero TCF crystal cut. The high resistivity, high piezoelectric properties and low mechanical and dielectric losses, together with temperature independent characteristics, demonstrate that oxyborate crystals are promising candidates for high temperature sensing applications.

Original languageEnglish (US)
Pages (from-to)884-889
Number of pages6
JournalJournal of Crystal Growth
Volume318
Issue number1
DOIs
StatePublished - Mar 1 2011

Fingerprint

Crystals
crystals
Temperature
electrical resistivity
temperature
coefficients
piezoelectric crystals
quartz crystals
dielectric loss
melting points
phase transformations
Quartz
Electromechanical coupling
High temperature applications
rare earth elements
impedance
Dielectric losses
shear
Rare earth elements
vibration

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

Zhang, S., Yu, F., Xia, R., Fei, Y., Frantz, E., Zhao, X., ... Shrout, T. R. (2011). High temperature ReCOB piezocrystals: Recent developments. Journal of Crystal Growth, 318(1), 884-889. https://doi.org/10.1016/j.jcrysgro.2010.11.032
Zhang, Shujun ; Yu, Fapeng ; Xia, Ru ; Fei, Yiting ; Frantz, Eric ; Zhao, Xian ; Yuan, Durong ; Chai, Bruce H.T. ; Snyder, David W. ; Shrout, Thomas R. / High temperature ReCOB piezocrystals : Recent developments. In: Journal of Crystal Growth. 2011 ; Vol. 318, No. 1. pp. 884-889.
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Zhang, S, Yu, F, Xia, R, Fei, Y, Frantz, E, Zhao, X, Yuan, D, Chai, BHT, Snyder, DW & Shrout, TR 2011, 'High temperature ReCOB piezocrystals: Recent developments', Journal of Crystal Growth, vol. 318, no. 1, pp. 884-889. https://doi.org/10.1016/j.jcrysgro.2010.11.032

High temperature ReCOB piezocrystals : Recent developments. / Zhang, Shujun; Yu, Fapeng; Xia, Ru; Fei, Yiting; Frantz, Eric; Zhao, Xian; Yuan, Durong; Chai, Bruce H.T.; Snyder, David W.; Shrout, Thomas R.

In: Journal of Crystal Growth, Vol. 318, No. 1, 01.03.2011, p. 884-889.

Research output: Contribution to journalArticle

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AU - Zhang, Shujun

AU - Yu, Fapeng

AU - Xia, Ru

AU - Fei, Yiting

AU - Frantz, Eric

AU - Zhao, Xian

AU - Yuan, Durong

AU - Chai, Bruce H.T.

AU - Snyder, David W.

AU - Shrout, Thomas R.

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