Investigation of the dielectric, elastic, and piezoelectric properties of Cs<sub>2</sub>TeMo<sub>3</sub>O<sub>12</sub> crystals
Junjie ZhangState Key Laboratory of Crystal MaterialsZeliang GaoState Key Laboratory of Crystal MaterialsXin YinState Key Laboratory of Crystal Materials, Shandong University, No.27 Shanda South Road, Jinan 250100, ChinaZhonghan ZhangState Key Laboratory of Crystal MaterialsYouxuan SunState Key Laboratory of Crystal Materials, Shandong University, No.27 Shanda South Road, Jinan 250100, ChinaXutang TaoState Key Laboratory of Crystal Materials, Shandong University, No.27 Shanda South Road, Jinan 250100, China
2012en
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Annotatsiya
The complete sets of dielectric, elastic, and piezoelectric constants of Cs2TeMo3O12 crystals at room temperature were determined by means of the resonant technique and impedance analysis. The piezoelectric strain constants d33 and d15 were on the order of 20.3 and 29.2 pC/N, respectively, with the electromechanical coupling coefficients being k33 = 36.6% and k15 = 14.3%. Moreover, temperature dependence of the electro-elastic coefficients was measured in the range of 0–150 °C, where the elastic constant s44 was found to possess relatively low temperature coefficient (Ts44(1) = 77 × 10−6/ °C), and the variations of d33 and k33 were less than 3.5% and 1.0%, respectively.
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