Abstract

Glass ceramics in the system Li2O-SiO2-B2O3 with oriented crystallites were prepared by crystallizing the glasses in a temperature gradient. Piezoelectric and electromechanical properties of the glass ceramics are reported. Some of the compositions exhibit low temperature coefficient of resonance, comparable to LiTaO3 single crystals. Advantages of fabricating glass-ceramic piezoelectric resonators are described and the possibility of using them in surface acoustic wave (SAW) devices is suggested.

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