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- Publisher Website: 10.1002/adma.201706348
- Scopus: eid_2-s2.0-85045192207
- PMID: 29638017
- WOS: WOS:000434032600010
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Article: Magnetoactive Acoustic Metamaterials
Title | Magnetoactive Acoustic Metamaterials |
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Authors | |
Keywords | acoustic metamaterials double negative magnetoactive materials negative index |
Issue Date | 2018 |
Citation | Advanced Materials, 2018, v. 30, n. 21, article no. 1706348 How to Cite? |
Abstract | Acoustic metamaterials with negative constitutive parameters (modulus and/or mass density) have shown great potential in diverse applications ranging from sonic cloaking, abnormal refraction and superlensing, to noise canceling. In conventional acoustic metamaterials, the negative constitutive parameters are engineered via tailored structures with fixed geometries; therefore, the relationships between constitutive parameters and acoustic frequencies are typically fixed to form a 2D phase space once the structures are fabricated. Here, by means of a model system of magnetoactive lattice structures, stimuli-responsive acoustic metamaterials are demonstrated to be able to extend the 2D phase space to 3D through rapidly and repeatedly switching signs of constitutive parameters with remote magnetic fields. It is shown for the first time that effective modulus can be reversibly switched between positive and negative within controlled frequency regimes through lattice buckling modulated by theoretically predicted magnetic fields. The magnetically triggered negative-modulus and cavity-induced negative density are integrated to achieve flexible switching between single-negative and double-negative. This strategy opens promising avenues for remote, rapid, and reversible modulation of acoustic transportation, refraction, imaging, and focusing in subwavelength regimes. |
Persistent Identifier | http://hdl.handle.net/10722/318707 |
ISSN | 2023 Impact Factor: 27.4 2023 SCImago Journal Rankings: 9.191 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Yu, Kunhao | - |
dc.contributor.author | Fang, Nicholas X. | - |
dc.contributor.author | Huang, Guoliang | - |
dc.contributor.author | Wang, Qiming | - |
dc.date.accessioned | 2022-10-11T12:24:22Z | - |
dc.date.available | 2022-10-11T12:24:22Z | - |
dc.date.issued | 2018 | - |
dc.identifier.citation | Advanced Materials, 2018, v. 30, n. 21, article no. 1706348 | - |
dc.identifier.issn | 0935-9648 | - |
dc.identifier.uri | http://hdl.handle.net/10722/318707 | - |
dc.description.abstract | Acoustic metamaterials with negative constitutive parameters (modulus and/or mass density) have shown great potential in diverse applications ranging from sonic cloaking, abnormal refraction and superlensing, to noise canceling. In conventional acoustic metamaterials, the negative constitutive parameters are engineered via tailored structures with fixed geometries; therefore, the relationships between constitutive parameters and acoustic frequencies are typically fixed to form a 2D phase space once the structures are fabricated. Here, by means of a model system of magnetoactive lattice structures, stimuli-responsive acoustic metamaterials are demonstrated to be able to extend the 2D phase space to 3D through rapidly and repeatedly switching signs of constitutive parameters with remote magnetic fields. It is shown for the first time that effective modulus can be reversibly switched between positive and negative within controlled frequency regimes through lattice buckling modulated by theoretically predicted magnetic fields. The magnetically triggered negative-modulus and cavity-induced negative density are integrated to achieve flexible switching between single-negative and double-negative. This strategy opens promising avenues for remote, rapid, and reversible modulation of acoustic transportation, refraction, imaging, and focusing in subwavelength regimes. | - |
dc.language | eng | - |
dc.relation.ispartof | Advanced Materials | - |
dc.subject | acoustic metamaterials | - |
dc.subject | double negative | - |
dc.subject | magnetoactive materials | - |
dc.subject | negative index | - |
dc.title | Magnetoactive Acoustic Metamaterials | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1002/adma.201706348 | - |
dc.identifier.pmid | 29638017 | - |
dc.identifier.scopus | eid_2-s2.0-85045192207 | - |
dc.identifier.volume | 30 | - |
dc.identifier.issue | 21 | - |
dc.identifier.spage | article no. 1706348 | - |
dc.identifier.epage | article no. 1706348 | - |
dc.identifier.eissn | 1521-4095 | - |
dc.identifier.isi | WOS:000434032600010 | - |