Surface characterization and microstructure of ITO thin films at different annealing temperatures

In this study, the electron beam evaporation method is used to generate an indium tin oxide (ITO) thin film on a glass substrate at room temperature. The surface characteristics of this ITO thin film are then investigated by means of an AFM (atomic force microscopy) method. The influence of postgrow...

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Veröffentlicht in:Applied surface science 2007-09, Vol.253 (23), p.9085-9090
Hauptverfasser: Raoufi, Davood, Kiasatpour, Ahmad, Fallah, Hamid Reza, Rozatian, Amir Sayid Hassan
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container_end_page 9090
container_issue 23
container_start_page 9085
container_title Applied surface science
container_volume 253
creator Raoufi, Davood
Kiasatpour, Ahmad
Fallah, Hamid Reza
Rozatian, Amir Sayid Hassan
description In this study, the electron beam evaporation method is used to generate an indium tin oxide (ITO) thin film on a glass substrate at room temperature. The surface characteristics of this ITO thin film are then investigated by means of an AFM (atomic force microscopy) method. The influence of postgrowth thermal annealing on the microstructure and surface morphology of ITO thin films are also examined. The results demonstrate that the film annealed at higher annealing temperature (300 °C) has higher surface roughness, which is due to the aggregation of the native grains into larger clusters upon annealing. The fractal analysis reveals that the value of fractal dimension D f falls within the range 2.16–2.20 depending upon the annealing temperatures and is calculated by the height–height correlation function.
doi_str_mv 10.1016/j.apsusc.2007.05.032
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subjects Condensed matter: structure, mechanical and thermal properties
Electron beam evaporation
Exact sciences and technology
Fractal analysis
ITO thin film
Morphology
Physics
Single-crystal and powder diffraction
Structure and morphology
thickness
Structure of solids and liquids
crystallography
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
Thermal annealing
Thin film structure and morphology
X-ray diffraction and scattering
title Surface characterization and microstructure of ITO thin films at different annealing temperatures
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