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Elastic, Anelastic, Piezoelectric Coefficients of Monocrystal Lithium Niobate
Published
Author(s)
H M. Ledbetter, H Ogi, N Nakamura
Abstract
Using improved acoustic spectroscopy, we determined the complete above coefficients (16 independent ones) by measuring the macroscopic resonance frequencies of a single lithium-niobate monocrystal. The improvement consisted of using laser-Doppler interferometry for unambiguous vibration-mode identification. Elastic coefficients C-ijkl agree well with previous reports that used conventional methods. Piezoelectric coefficients e(ijk) agree with the range of four previous reports. Anelastic coefficients Q(ijkl)(-1) reported for the first time, suggest that the crystal's internal friction arises mainly from dislocations, not from intrinsic multiphonon processes.
Ledbetter, H.
, Ogi, H.
and Nakamura, N.
(2004),
Elastic, Anelastic, Piezoelectric Coefficients of Monocrystal Lithium Niobate, Mechanics of Materials
(Accessed May 29, 2023)