Title

Temperature dependence of the electro-elastic properties of the monoclinic α-BiB3O6crystals

RIS ID

111798

Publication Details

Wang, H., Chen, F., Yu, F., Lu, Q., Li, Y., Duan, X., Zhang, S. & Zhao, X. (2017). Temperature dependence of the electro-elastic properties of the monoclinic α-BiB3O6crystals. Journal of Alloys and Compounds, 699 505-510.

Abstract

The monoclinic α-BiB3O6 (α-BIBO) crystal has been actively studied for nonlinear optical applications, but with limited efforts for piezoelectric usages. In this work, the temperature dependence of the electro-elastic properties for α-BIBO crystal was investigated over the temperature range of −150-150 °C, where the α-BIBO crystal was found to possess low dielectric loss (<0.5%) and minimal variation of relative dielectric permittivities (<±10%). The temperature coefficients of elastic compliances were obtained to be on the order of 0.2-5.1 x 10−4/°C. Moreover, the α-BIBO crystal was determined to own good temperature stability of electromechanical properties, with coupling factors being 13-32.1% at room temperature, while the independent piezoelectric coefficients shifted differently as a function of temperature with the first order temperature coefficients evaluated to be on the order of −0.3-17.9 x 10−4/°C. The above temperature characteristics of the electro-elastic properties are important for designing piezoelectric sensors operational over a broad temperature range.

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Link to publisher version (DOI)

http://dx.doi.org/10.1016/j.jallcom.2016.12.411