Locally resonant sonic materials

Z. Liu, Xixiang Zhang, Y. Mao, Y. Y. Zhu, Z. Yang, C. T. Chan, P. Sheng*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3134 Scopus citations

Abstract

We have fabricated sonic crystals, based on the idea of localized resonant structures, that exhibit spectral gaps with a lattice constant two orders of magnitude smaller than the relevant wavelength. Disordered composites made from such localized resonant structures behave as a material with effective negative elastic constants and a total wave reflector within certain tunable sonic frequency ranges. A 2-centimeter slab of this composite material is shown to break the conventional mass-density law of sound transmission by one or more orders of magnitude at 400 hertz.

Original languageEnglish (US)
Pages (from-to)1734-1736
Number of pages3
JournalScience
Volume289
Issue number5485
DOIs
StatePublished - Sep 8 2000

ASJC Scopus subject areas

  • General

Fingerprint

Dive into the research topics of 'Locally resonant sonic materials'. Together they form a unique fingerprint.

Cite this