Department of Metallurgical and Materials Engineering;
Federal University of Minas Gerais;
Belo Horizonte;
Brasil;
Department of Physics;
Federal University of Ouro Preto;
Ouro Preto;
Brasil;
School of Earth Sciences;
The University of Queensland;
St.Lucia;
Australia;
Films; Sol-Gel; Infrared Spectroscopy; Glow Discharge Spectrometry; Knoop Hardness;