Optical and acoustical study of quartz twinning under uniaxial stress

R. J. Besson; J. J. Boy; P. L. Guzzo; G. D. Mansfeld

doi:10.1117/12.262565

27 December 1996 Optical and acoustical study of quartz twinning under uniaxial stress

R. J. Besson, J. J. Boy, P. L. Guzzo, G. D. Mansfeld

Proceedings Volume 2969, Second International Conference on Optical Information Processing; (1996) https://doi.org/10.1117/12.262565
Event: Second International Conference on Optical Information Processing, 1996, St. Petersburg, Russian Federation

Abstract

The ferrobielastic twinning in quartz has been investigated optically and acoustically. A suitable mechanical stress is used to alternate Dauphine twin domains in X- and AT-cut samples of synthetic quartz. The propagation of twin boundaries is observed by polarized light. For X-cut samples, stripe-sharped patterns are parallel to the optic axis whereas rather irregular domains expand in AT-cut samples. The acoustic wave propagation in the stressed media have ben also investigated using the previously developed composite resonator spectroscopy. Al-ZnO-Al layers are deposited on one of the X-faces of quartz samples forming composite resonator structures. It is observed that the resonance frequency for longitudinal waves increases with the increase of the compressive stress. The ferrobielastic switching is characterized by an abrupt decrease of peaks frequency but the linear dependence between the sound velocity and the compressive stress is not modified. The quantitative and qualitative explanation of the observed data are given.

Citation Download Citation

R. J. Besson, J. J. Boy, P. L. Guzzo, and G. D. Mansfeld "Optical and acoustical study of quartz twinning under uniaxial stress", Proc. SPIE 2969, Second International Conference on Optical Information Processing, (27 December 1996); https://doi.org/10.1117/12.262565

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