Plasmonic materials based on ZnO films and their potential for developing broadband middle-infrared absorbers

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buir.contributor.authorOkyay, Ali Kemal
dc.citation.issueNumber7en_US
dc.citation.volumeNumber4en_US
dc.contributor.authorKesim, Y.E.en_US
dc.contributor.authorBattal, E.en_US
dc.contributor.authorOkyay, Ali Kemalen_US
dc.date.accessioned2016-02-08T10:59:58Z
dc.date.available2016-02-08T10:59:58Z
dc.date.issued2014en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.description.abstractNoble metals such as gold and silver have been extensively used for plasmonic applications due to their ability to support plasmons, yet they suffer from high intrinsic losses. Alternative plasmonic materials that offer low loss and tunability are desired for a new generation of efficient and agile devices. In this paper, atomic layer deposition (ALD) grown ZnO is investigated as a candidate material for plasmonic applications. Optical constants of ZnO are investigated along with figures of merit pertaining to plasmonic waveguides. We show that ZnO can alleviate the trade-off between propagation length and mode confinement width owing to tunable dielectric properties. In order to demonstrate plasmonic resonances, we simulate a grating structure and computationally demonstrate an ultra-wide-band (4-15 μm) infrared absorber. © 2014 Author(s).en_US
dc.identifier.doi10.1063/1.4887520en_US
dc.identifier.issn21583226
dc.identifier.urihttp://hdl.handle.net/11693/26448
dc.language.isoEnglishen_US
dc.publisherAmerican Institute of Physics Inc.en_US
dc.relation.isversionofhttp://dx.doi.org/10.1063/1.4887520en_US
dc.source.titleAIP Advancesen_US
dc.subjectAtomic layer depositionen_US
dc.subjectDielectric propertiesen_US
dc.subjectOptical waveguidesen_US
dc.subjectZinc oxideen_US
dc.subjectCandidate materialsen_US
dc.subjectFigures of meritsen_US
dc.subjectGold and silveren_US
dc.subjectGrating structuresen_US
dc.subjectPlasmonic resonancesen_US
dc.subjectPlasmonic waveguidesen_US
dc.subjectPropagation lengthsen_US
dc.subjectTunable dielectric propertiesen_US
dc.subjectPlasmonsen_US
dc.titlePlasmonic materials based on ZnO films and their potential for developing broadband middle-infrared absorbersen_US
dc.typeArticleen_US
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Department of Electrical and Electronics Engineering
Institute of Materials Science and Nanotechnology (UNAM)