Hisham Abu Samra, research scientist. Achievements include research in diamond/tungsten carbide composites coatings by PECVD; research in molybdenum nitride/boron nitride composites coatings by hybrid PECVD/IBAD; research in amorphous SiCN and SiBCN coatings by Early Career Researchers MWCVD. Member of German Vacuum Society, European Materials Research Society.