Serrano, A.Llorca Hernando, O.Campo, A. delRubio Marcos, F.Rodríguez De La Fuente, ÓscarFernández, J. F.García, M. A.2023-06-172023-06-172018-10-070021-897910.1063/1.5049651https://hdl.handle.net/20.500.14352/12933©AIP Publishing. This work has been supported by the Ministerio Español de Economía, Industria y Competitividad (MINECO) through the Project Nos. MAT2017-86540-C4-1-R, MAT2013-48009-C4-1-P, and FIS-2008-06249. Project supported by a 2016 BBVA Foundation Grant for Researchers and Cultural Creators. F. R-M. is also indebted to MINECO for a “Ramon y Cajal” contract (Ref: RyC-2015-18626), which is co-financed by the European Social Fund.We present here a study on the modification of morphological and plasmonic properties of Ag thin films deposited on glass substrates upon annealing in air at different temperatures. Initially, Ag films are continuous and exhibit extended surface plasmons with a resonant absorbance that depends on the film thickness. The dewetting process promotes the formation of nanoparticles with different sizes, shapes, and agglomerations states, besides a partial oxidation from Ag to AgO at surface level. The final Ag-AgO nanostructures are dependent on the annealing temperature and initial film thickness. The optical properties evolve from those typical of metallic films with high reflectivity and extended surface plasmon resonance toward localized surface plasmons characteristic of nanoparticles. The optical evolution and the final plasmonic response are evaluated according to the morphological and structural features of nanostructures. Published by AIP Publishing.engjournal articlehttp://dx.doi.org/10.1063/1.5049651https://aip.scitation.orgopen access538.9Enhanced raman-scatteringThin silver filmsAnnealing temperatureThermal-stabilityHillock formationIsland filmsGold-filmsNanoparticlesThicknessGrowthFísica de materialesFísica del estado sólido2211 Física del Estado Sólido