Acoustic tamm states of three-dimensional solid-fluid phononic crystals

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dc.contributor.authorKorozlu, Nurettin
dc.contributor.authorKaya, Olgun Adem
dc.contributor.authorCicek, Ahmet
dc.contributor.authorUlug, Bulent
dc.date.accessioned2019-07-04T11:40:46Z
dc.date.available2019-07-04T11:40:46Z
dc.date.issued2018
dc.departmentİnönü Üniversitesien_US
dc.description.abstractIn this work, the existence and propagation of acoustic Tamm states at the interface of air and a face-centered cubic solid-fluid phononic crystal composed of spherical air voids interconnected by cylindrical air channels are demonstrated. Supercell band structure computations via the finite element method reveal surface bands for Tamm states on (100), (110), and (111) surfaces of the phononic crystal. The states decay sharply into the phononic crystal so that only a two-row slab is sufficient to guide them over the respective surfaces without leakage, as confirmed by finite element simulations. In addition, surface wave propagation along the [10] direction of the (100) surface is experimentally demonstrated. Ability to confine the Tamm states in all three dimensions is a key aspect in designing few-layer-thick acoustic circuits. Low material filling fraction of the phononic crystal could be leveraged to realize lightweight all-acoustic systems where either bulk or surface states can be incorporated. (C) 2018 Acoustical Society of America.en_US
dc.identifier.citationKorozlu, N . Kaya, OA. Cicek, A. Ulug, B. (2018). Acoustic tamm states of three-dimensional solid-fluid phononic crystals. Cilt:143. Sayı:2. 756-764 ss.en_US
dc.identifier.doi10.1121/1.5023334en_US
dc.identifier.endpage764en_US
dc.identifier.issue2en_US
dc.identifier.startpage756en_US
dc.identifier.urihttps://hdl.handle.net/11616/12341
dc.identifier.volume143en_US
dc.language.isoenen_US
dc.publisherAcoustıcal soc amer amer ınst physıcs, ste 1 no 1, 2 huntıngton quadrangle, melvılle, ny 11747-4502 usaen_US
dc.relation.ispartofView Web of Science ResearcherID and ORCIDen_US
dc.rightsinfo:eu-repo/semantics/restrictedAccessen_US
dc.subjectSurface-statesen_US
dc.subjectphotonıc crystalen_US
dc.subjectband-gapen_US
dc.subjectmodesen_US
dc.subjectsounden_US
dc.subjectınterfaceen_US
dc.subjectboundaryen_US
dc.subjectshockleywavesen_US
dc.subjectmedıaen_US
dc.titleAcoustic tamm states of three-dimensional solid-fluid phononic crystalsen_US
dc.typeArticleen_US

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