Department of Physics, Chemistry and Biology (IFM)

I would like to thank my supervisors Per Milberg and Karl-Olof Bergman for their guidance and good advice. I am also grateful to Heidi Paltto for her valuable comments and suggestions. To my course mates Najihah, sofia, Henrik and especially to Antonin Leclercq who assisted me during my fieldwork, thanks for all the support. To Wala & Folke Danielsson fund and to the foundation in memory of Oscar and Lili Lamm, thanks for the financial support.