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Dispersion properties of two-dimensional phonon crystals with a hexagonal structure

Dispersion properties of two-dimensional phonon crystals with a hexagonal structure Abstract Acoustic and optical properties of two-dimensional phonon crystals with a hexagonal symmetry are described. Differential-difference equations describing plane oscillations of a two-dimensional lattice of material structures are derived in a harmonic approximation, and dispersion dependences of acoustic and optical phonons are calculated. Branches of optical oscillations and intervals of forbidden frequencies are shown to appear when a lattice consists of two types of atoms. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acoustical Physics Springer Journals

Dispersion properties of two-dimensional phonon crystals with a hexagonal structure

Nikitenkova, S. P.; Potapov, A. I.
Acoustical Physics , Volume 56 (6): 10 – Nov 1, 2010
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References (12)

Publisher
Springer Journals
Copyright
2010 Pleiades Publishing, Ltd.
ISSN
1063-7710
eISSN
1562-6865
DOI
10.1134/s1063771010060151
Publisher site
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Abstract

Abstract Acoustic and optical properties of two-dimensional phonon crystals with a hexagonal symmetry are described. Differential-difference equations describing plane oscillations of a two-dimensional lattice of material structures are derived in a harmonic approximation, and dispersion dependences of acoustic and optical phonons are calculated. Branches of optical oscillations and intervals of forbidden frequencies are shown to appear when a lattice consists of two types of atoms.

Journal

Acoustical Physics – Springer Journals

Published: Nov 1, 2010

Keywords: Acoustics

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