High-Quality Ultrathin Gold Layers For Use In Plasmonic And Metamaterials Applications

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The propagation of electromagnetic waves can be manipulated at the nanoscale by surface plasmons supported by ultra thin metal layers. An adhesion layer, with thickness in the order of few nanometerss is used for depositing ultra thin metal gold layers. Cr and Ti are the most popular metallic adhesion layers. Apart from them, a non metallic silane based wetting layer like (3-Aminopropyl)trimethoxysilane (APTMS) can be used. The behaviour of the propagating surface plasmons due to the influence of these adhesion layers has not been thoroughly investigated. To study the influence of the adhesion layers on propagating plasmons for use in plasmonic and metamaterial applications,we experimentally compared the performances of the ultra-thin gold layers using Cr and APTMS adhesion layers and without any adhesion layer. We show that the gold layers using APTMS adhesion exhibit short range surface plasmon polaritons (SR-SPPs) with characteristics close to the theoretical calculations, considering an ideal gold film.
Original languageEnglish
Title of host publicationProceedings of SPIE
Number of pages7
Volume10671
PublisherSPIE - International Society for Optical Engineering
Publication date2018
Article number1067111
DOIs
Publication statusPublished - 2018
EventSPIE Photonics Europe 2018 - Palais de la Musique et des Congrès, Strasbourg, France
Duration: 22 Apr 201826 Apr 2018

Conference

ConferenceSPIE Photonics Europe 2018
LocationPalais de la Musique et des Congrès
CountryFrance
CityStrasbourg
Period22/04/201826/04/2018
SeriesS P I E - International Society for Optical Engineering. Proceedings
Volume10671
ISSN0277-786X
CitationsWeb of Science® Times Cited: No match on DOI

    Research areas

  • APTMS adhesion layer, Ultra thin gold film, Low roughness, Plasmonics

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