title: Experimental measurement of the electroelastic effect in thickness-mode langasite resonators.
abstract: The electroelastic effect describes the shift in resonant frequency that a resonator experiences as a result of the application of a dc electrical field. We report on experimental measurements of the electroelastic effect observed in fourteen plano-plano configuration thickness-mode langasite (La3Ga5SiO14) resonators. The orientations of the fourteen samples provide a sufficient data set to extract all eight of the third-order piezoelectric constants of this material. The role of this type of measurement in determining third-order piezoelectric constants is discussed. We compare the experimentally observed behavior to that predicted when using the langasite material constants currently available in the literature.
authors: Department of Engineering Technology, University of North Texas, Denton, TX, USA. haifeng.zhang@unt.edu
authors: Haifeng
authors: H
authors: Zhang
authors: Joseph
authors: J
authors: Turner
authors: Jiashi
authors: J
authors: Yang
authors: John
authors: J
authors: Kosinski
authors: Yuanye
authors: Y
authors: Bao