Titanium dioxide thin films deposition by direct current hollow cathode magnetron sputteringD. A. Duarte, M. Massi, A. S. da Silva Sobrinho, H. S. Maciel, K. Grigorov and L. C. FontanaEur. Phys. J. Appl. Phys., 49 1 (2010) 13107DOI: https://doi.org/10.1051/epjap/2009179