Phys. Rev. B 64, 064303 (2001) [5 pages]Suzuki phase in two-dimensional sonic crystals
D. Caballero and J. Sánchez-Dehesa *
R. Martínez-Sala, C. Rubio, J. V. Sánchez-Pérez, L. Sanchis, and F. Meseguer Received 14 March 2001; published 19 July 2001 In analogy with the structures discovered by Suzuki in alkali halides, in this article we introduce a two-dimensional acoustic system consisting of a periodic distribution of impurities (vacancies) in a host array. A triangular lattice of cylindrical sound scatterers is chosen as the host. The sonic crystal, called the Suzuki phase, shows extraordinary sound transmission properties: it holds the attenuation bands of the host structure and it also presents additional ones associated to the periodicity of the missing cylinders. The experiments agree with predictions based on the calculated acoustic band structure and they are explained by an analysis of eigenstates. ©2001 The American Physical Society
URL: http://link.aps.org/doi/10.1103/PhysRevB.64.064303 * Author to whom correspondence should be addressed. Electronic address: jose.sanchezdehesa@uam.es [ Abstract | Previous article | Next article | Issue 6 ] |
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