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Article: Resonant attenuation of surface acoustic waves by a disordered monolayer of microspheres

TitleResonant attenuation of surface acoustic waves by a disordered monolayer of microspheres
Authors
Issue Date2016
Citation
Applied Physics Letters, 2016, v. 108, n. 6, article no. 061907 How to Cite?
AbstractAttenuation of surface acoustic waves (SAWs) by a disordered monolayer of polystyrene microspheres is investigated. Surface acoustic wave packets are generated by a pair of crossed laser pulses in a glass substrate coated with a thin aluminum film and detected via the diffraction of a probe laser beam. When a 170 μm-wide strip of micron-sized spheres is placed on the substrate between the excitation and detection spots, strong resonant attenuation of SAWs near 240 MHz is observed. The attenuation is caused by the interaction of SAWs with a contact resonance of the microspheres, as confirmed by acoustic dispersion measurements on the microsphere-coated area. Frequency-selective attenuation of SAWs by such a locally resonant metamaterial may lead to reconfigurable SAW devices and sensors, which can be easily manufactured via self-assembly techniques.
Persistent Identifierhttp://hdl.handle.net/10722/318614
ISSN
2023 Impact Factor: 3.5
2023 SCImago Journal Rankings: 0.976
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorEliason, J. K.-
dc.contributor.authorVega-Flick, A.-
dc.contributor.authorHiraiwa, M.-
dc.contributor.authorKhanolkar, A.-
dc.contributor.authorGan, T.-
dc.contributor.authorBoechler, N.-
dc.contributor.authorFang, N.-
dc.contributor.authorNelson, K. A.-
dc.contributor.authorMaznev, A. A.-
dc.date.accessioned2022-10-11T12:24:09Z-
dc.date.available2022-10-11T12:24:09Z-
dc.date.issued2016-
dc.identifier.citationApplied Physics Letters, 2016, v. 108, n. 6, article no. 061907-
dc.identifier.issn0003-6951-
dc.identifier.urihttp://hdl.handle.net/10722/318614-
dc.description.abstractAttenuation of surface acoustic waves (SAWs) by a disordered monolayer of polystyrene microspheres is investigated. Surface acoustic wave packets are generated by a pair of crossed laser pulses in a glass substrate coated with a thin aluminum film and detected via the diffraction of a probe laser beam. When a 170 μm-wide strip of micron-sized spheres is placed on the substrate between the excitation and detection spots, strong resonant attenuation of SAWs near 240 MHz is observed. The attenuation is caused by the interaction of SAWs with a contact resonance of the microspheres, as confirmed by acoustic dispersion measurements on the microsphere-coated area. Frequency-selective attenuation of SAWs by such a locally resonant metamaterial may lead to reconfigurable SAW devices and sensors, which can be easily manufactured via self-assembly techniques.-
dc.languageeng-
dc.relation.ispartofApplied Physics Letters-
dc.titleResonant attenuation of surface acoustic waves by a disordered monolayer of microspheres-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1063/1.4941808-
dc.identifier.scopuseid_2-s2.0-84958212174-
dc.identifier.volume108-
dc.identifier.issue6-
dc.identifier.spagearticle no. 061907-
dc.identifier.epagearticle no. 061907-
dc.identifier.isiWOS:000373056300019-

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