Session 4(A) K. Gmucová , M. Weis Hydrogen related defect states in pentacene L. Prušáková, M. Netrvalová, P. Šutta The influence of the deposition process onto the structural and electrical properties of ZnO:Al thin films M. Netrvalová, L. Prušáková, P. Šutta Influence of structure on optical properties of ZnO:Al thin films M. Marton, M. Vojs, T. Ižák, M. Veselý, R. Redhammer, M. Varga, L. Michalíková Biocompatible thin films for artificial joints R. Medlín Problems in aluminium quantitative determination in ZnO:Al films by electron microprobe J. Müllerová, M. Weis UV Vis optical absorption in spin-coated thin films of MEH-PPV and P3HT conjugated polymers