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Grain size effects on the optical characteristics of pulsed-laser deposited vanadium oxide thin films
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2003
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Materials ScienceOptical MaterialsEngineeringOptical PropertiesOxide ElectronicsGrain Size EffectsApplied PhysicsV2o5 Thin FilmsLaser AblationLaser MaterialPulsed-laser Deposited VanadiumLaser-assisted DepositionThin FilmsPulsed Laser DepositionGrain SizeThin Film Processing
We found that the grain size of V2O5 thin films produced by pulsed laser ablation strongly influences their optical characteristics. The decrease in the optical band gap associated with a change in spectral transmittance of the pulsed laser deposited V2O5 films are mainly due to structure evolution from amorphous to crystalline state and size evolution and distribution characteristics of the grains as a function of increasing growth temperature. (© 2003 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)