electromechanical coupling coefficient


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electromechanical coupling coefficient

[i‚lek·trō·mi¦kan·ə·kəl ′kəp·liŋ ‚kō·ə‚fish·ənt]
(solid-state physics)
The ratio of the mutual elastodielectric energy density in a piezoelectric material to the square root of the product of the stored elastic and dielectric energy densities.
References in periodicals archive ?
The property of importance is the electromechanical coupling coefficient of the films, which is a function of the processing temperature.
The electromechanical coupling coefficient, kt, in the thickness direction, along with other characteristics, such as the mechanical quality factor, [Q.
This discrepancy seen from the measurements of the electromechanical coupling coefficient may be because the composites consist of an electromechanical ceramic embedded into a polymer matrix.
Composites of 1-3 connectivity tend to have high piezoelectricity and electromechanical coupling coefficients but are difficult and expensive to fabricate.
The Table shows the composites exhibit lower values for their respective electromechanical coupling coefficients than the copolymer and ceramic.
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