Electroacoustic properties of various types of quartz in the finely dispersed state
Автор: Kotov L., Lasyok M., Dong Fagin, Wei Zhang
Журнал: Вестник геонаук @vestnik-geo
Рубрика: Научные статьи
Статья в выпуске: 2 (338), 2023 года.
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An electroacoustic echo method for studying the high-frequency (HF) electrical and elastic properties of piezoelectric materials in a finely dispersed state is described. The characteristics and relaxation time of electroacoustic echo for natural and artificial quartz powders are determined. Natural one is represented by the following types: smoky quartz, citrine, amethyst, recrystallized, granular and columnar. It is shown that natural quartz (especially citrine), has a higher electromechanical coupling coefficient than artificial quartz. The amplitudes of HF electric field are determined, at which the saturation mode of the echo signals is observed.
Artificial and natural quartz, electroacoustic echo, relaxation time and echo parameters, powder
Короткий адрес: https://sciup.org/149142782
IDR: 149142782 | DOI: 10.19110/geov.2023.2.3
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