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      Acoustic metamaterials: From local resonances to broad horizons

      1 , 1
      Science Advances
      American Association for the Advancement of Science (AAAS)

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          Abstract

          A review of the development of acoustic metamaterials, guided by their physical characteristics and novel functionalities.

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          Most cited references209

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          Locally resonant sonic materials

          Liu, Zhang, Mao (2000)
          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.
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            Topological photonics

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              Optical negative-index metamaterials

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                Author and article information

                Journal
                Science Advances
                Sci. Adv.
                American Association for the Advancement of Science (AAAS)
                2375-2548
                February 05 2016
                February 05 2016
                : 2
                : 2
                Affiliations
                [1 ]Department of Physics and Institute for Advanced Study, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China.
                Article
                10.1126/sciadv.1501595
                2ffe1412-3275-47e0-94e7-633faf0e38a7
                © 2016
                History

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