Research Progress and Development Trends of Acoustic Metamaterials

Acoustic metamaterials are materials with artificially designed structures, which have characteristics that surpass the behavior of natural materials, such as negative refraction, anomalous Doppler effect, plane focusing, etc. This article mainly introduces and summarizes the related research progre...

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Bibliographic Details
Published in:Molecules (Basel, Switzerland) Switzerland), 2021-06, Vol.26 (13), p.4018
Main Authors: Song, Hao, Ding, Xiaodong, Cui, Zixian, Hu, Haohao
Format: Article
Language:English
Subjects:
acoustic metamaterials
acoustic metasurface
Acoustics
Aluminum
Atomic clusters
Design
Doppler effect
functional materials
meta-atom
Metamaterials
metamolecule
Propagation
Research methodology
Review
Sound waves
Thin films
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Summary:Acoustic metamaterials are materials with artificially designed structures, which have characteristics that surpass the behavior of natural materials, such as negative refraction, anomalous Doppler effect, plane focusing, etc. This article mainly introduces and summarizes the related research progress of acoustic metamaterials in the past two decades, focusing on meta-atomic acoustic metamaterials, metamolecular acoustic metamaterials, meta-atomic clusters and metamolecule cluster acoustic metamaterials. Finally, the research overview and development trend of acoustic metasurfaces are briefly introduced.
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules26134018