electromechanical coupling coefficient


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.