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Erschienen in:
01.10.2014
Effect of film thickness and annealing on optical properties of TiO2 thin films and electrical characterization of MOS capacitors
Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 10/2014
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Abstract
Titanium dioxide (TiO2) thin films were deposited on glass and silicon (100) substrates by the sol–gel method. The influence of film thickness and annealing temperature on optical transmittance/reflectance of TiO2 films was studied. TiO2 films were used to fabricate metal–oxide–semiconductor capacitors. The capacitance–voltage (C–V), dissipation–voltage (D–V) and current–voltage (I–V) characteristics were studied at different annealing temperatures and the dielectric constant, current density and resistivity were estimated. The loss tangent (dissipation) increased with increase of annealing temperature.