Investigations on the thermal and piezoelectric properties of fresnoite Ba2TiSi2O8 single crystals

Chuanying Shen, Huaijin Zhang, Hengjiang Cong, Haohai Yu, Jiyang Wang, Shujun Zhang

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Fresnoite crystals with the nominal composition Ba2TiSi 2O8 (BTS) were grown using the Czochralski technique. The full matrix material constants were determined based on the IEEE standards, with d31, d33, and d15 coefficients being on the order of 2.7, 4.0, and 17.5 pC/N, respectively. A positive sign of d 31 was confirmed using strain measurements and rotated crystal cuts, where a maximum d33* value of 9.1 pC/N was achieved for ZXl50° crystal cut. The dielectric, piezoelectric, and related thermal properties were investigated as a function of temperature, showing strong anisotropic behavior, inherently associated with its layered crystal structure. The temperature dependence of d15 and d33* revealed a variations of <6% over the temperature range of 20-700 °C. The good thermal stability, together with the high piezoelectric properties and electrical resistivity (>10 7Ω·cm at 600 °C), makes fresnoite BTS crystals promising candidates for high temperature sensing applications.

Original languageEnglish (US)
Article number044106
JournalJournal of Applied Physics
Volume116
Issue number4
DOIs
StatePublished - Jul 28 2014

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thermodynamic properties
single crystals
crystals
matrix materials
strain measurement
temperature dependence
crystal structure
coefficients
temperature

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Shen, Chuanying ; Zhang, Huaijin ; Cong, Hengjiang ; Yu, Haohai ; Wang, Jiyang ; Zhang, Shujun. / Investigations on the thermal and piezoelectric properties of fresnoite Ba2TiSi2O8 single crystals. In: Journal of Applied Physics. 2014 ; Vol. 116, No. 4.
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Investigations on the thermal and piezoelectric properties of fresnoite Ba2TiSi2O8 single crystals. / Shen, Chuanying; Zhang, Huaijin; Cong, Hengjiang; Yu, Haohai; Wang, Jiyang; Zhang, Shujun.

In: Journal of Applied Physics, Vol. 116, No. 4, 044106, 28.07.2014.

Research output: Contribution to journalArticle

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AU - Zhang, Shujun

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