Ultra-thin gold films: Towards 2D metals for photonic and optoelectronic applications

V. S. Volkov*, D. I. Yakubovsky, Y. V. Stebunov, R. V. Kirtaev, G. A. Ermolaev, M. S. Mironov, S. M. Novikov, K. V. Voronin, A. V. Arsenin

*Corresponding author for this work

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Abstract

Fabrication of continuous ultra-thin (<10 nm) and ultra-smooth gold films on different substrates is reported. Using a variety of electrical, optical and structural characterization techniques, we show that monolayer MoS2 can be superior to more conventional adhesion/seeding layers as an optical substrate for realizing ultra-thin gold films. Our results show that optical losses in ultrathin gold films increase with decreasing thickness due to the fine-grained structure and the presence of a small number of voids, however, they exhibit metallic properties down to a thickness of 3-4 nm.

Original languageEnglish
Article number012184
Book seriesJournal of Physics: Conference Series
Volume1461
Number of pages4
ISSN1742-6588
DOIs
Publication statusPublished - 23. Apr 2020
Event4th International Conference on Metamaterials and Nanophotonics, METANANO 2019 - St. Petersburg, Russian Federation
Duration: 15. Jul 201919. Jul 2019

Conference

Conference4th International Conference on Metamaterials and Nanophotonics, METANANO 2019
Country/TerritoryRussian Federation
CitySt. Petersburg
Period15/07/201919/07/2019
SponsorBruker, INSCIENCE

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