Optical study of Ag-TiO2 nanocermet thin films prepared by R.F. co-sputtering A. Dakka, J. Lafait, M. Abd-Lefdil, C. Sella and M. Maaza Eur. Phys. J. AP, 9 2 (2000) 105-114 Published online: 15 February 2000 DOI: 10.1051/epjap:2000206