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Band gap and double-negative properties of a star-structured sonic metamaterial
Chen M(陈猛)1,2; Xu WS(徐文帅)1,2; Liu Y(刘宇)1,2; Yan K3; Jiang H(姜恒)1,2; Wang YR(王育人)1,2

Sonic metamaterials have a wide range of applications in wave control and super-resolution imaging, and are favored for their several unique and advantageous properties. However, current double-negative sonic metamaterials have complex structures composed of various materials, which limits their design and application. Thus, we must produce double-negative features using a simple structure of one material. Because of their unique concave configurations and various resonances, star-shaped structures readily form band gaps and show superior material properties. In this study, we designed and simulated star-shaped single-phase metamaterials, considered ideal structures. Our numerical results suggest that these metamaterials have two band gaps as well as double-negative properties over specific frequency ranges. Moreover, we investigated how their band gap and double-negative properties depended on the concave angle.

KeywordSonic Metamaterials Effective Medium Parameter Double-negative Single-phase Star-shaped Structure
Indexed BySCI ; EI
WOS IDWOS:000441117300027
WOS KeywordAcoustic Metamaterials ; Refraction
WOS Research AreaAcoustics
WOS SubjectAcoustics
Funding OrganizationNational Natural Science Foundation of China(11202211 ; Chinese Academy of Sciences(XDB22040301) ; Research Program of Beijing(Z161100002616034 ; 11602269) ; Z171100000817010)
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorJiang H(姜恒); Wang YR(王育人)
Affiliation1.Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Harbin Engn Univ, Coll Mat Sci & Chem Engn, Harbin 150001, Heilongjiang, Peoples R China
Recommended Citation
GB/T 7714
Chen M,Xu WS,Liu Y,et al. Band gap and double-negative properties of a star-structured sonic metamaterial[J]. APPLIED ACOUSTICS,2018,139:235-242.
APA Chen M,Xu WS,Liu Y,Yan K,Jiang H,&Wang YR.(2018).Band gap and double-negative properties of a star-structured sonic metamaterial.APPLIED ACOUSTICS,139,235-242.
MLA Chen M,et al."Band gap and double-negative properties of a star-structured sonic metamaterial".APPLIED ACOUSTICS 139(2018):235-242.
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