Electroacoustic properties of various types of quartz in the finely dispersed state

Author:

Kotov L.1,Lasyok M.2,Dong Fagin3,Wei Zhang3

Affiliation:

1. Federal State Budget Educational Institution of Higher Education «Pitirim Sorokin Syktyvkar State University» (SyktSU)[

2. Federal State Budget Educational Institution of Higher Education «Pitirim Sorokin Syktyvkar State University» (SyktSU)

3. Southwest University of Science and Technology

Abstract

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.

Publisher

Komi SC UB RAS

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