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- Title
Specific propagation directions of acoustic waves for piezoelectric and nonpiezoelectric media.
- Authors
Duda, A.
- Abstract
I reanalyze the problem of the existence of longitudinal normals inside the symmetry planes of piezoelectric crystals belonging to the symmetry class mm2. The equations determining components of longitudinal normals situated outside the symmetry planes for media of this symmetry are discussed. It is proven that nonpiezoelectric media of rhombic symmetry could have 4 or 8 distinct acoustic axes. Examples of nonpiezoelectric elastic media of monoclinic symmetry without acoustic axes are given. The method of determination of the components of acoustic axes for piezoelectric media of arbitrary symmetry is presented. With the help of this method, I discuss the problem of acoustic axes for piezoelectric media of the symmetry class mm2.
- Subjects
SOUND waves; ACOUSTIC surface waves; PIEZOELECTRIC materials; CRYSTALS; TRANSMISSION of sound
- Publication
Acoustical Physics, 2006, Vol 52, Issue 1, p36
- ISSN
1063-7710
- Publication type
Article
- DOI
10.1134/S1063771006010052