Trapping and recombination at defects in silicon / Anthonie Marinus FrensLaser cooling and trapping of barium / Subhadeep DeLaser cooling and trapping of barium / Subhadeep DeLaser cooling, trapping and spectroscopy of calcium isotopes / Albert Kornelis MollemaLaser cooling, trapping and spectroscopy of calcium isotopes / Albert Kornelis MollemaTrap-assisted recombination in polymer light-emitting diodes / Martijn KuikTrap-assisted recombination in polymer light-emitting diodes / Martijn KuikGas sensing with field-effect transistors / Anne-Marije AndringaGas sensing with field-effect transistors / Anne-Marije AndringaCharge transport and recombination in organic-semiconductor diodes / Gertjan Anton Hubert WetzelaerCharge transport and recombination in organic-semiconductor diodes / Gertjan Anton Hubert WetzelaerPulse radiolysis studies of electron transfer processes in polar glasses / door Johannes Wilhelmus van Leeuwen