EN
In this work, investigations of structural, optical and electrical properties of transparent oxide semiconductor thin films based on TiO_{2} doped with Eu, Pd and Tb, Pd have been presented. The transparent oxide semiconductor nanocrystalline thin films were prepared by magnetron sputtering process. It was shown that doping with selected elements results in semiconducting properties of prepared thin films of oxides with p-(TiO_{2}:(Tb, Pd)) or n-type (TiO_{2}:(Eu, Pd)) of electrical conduction.