Mitberichter:

II First and foremost, I would like to present my sincere thanks to my advisor, Prof. Dr. Dr. h.c. Franz Effenberger, for all of his friendly support and guidance throughout my education at Stuttgart University. Words cannot express how much I have gained his wisdom, as well as from the many learning opportunities he afforded me during my tenure. Additionally, I would like to thank Dr. Michael Schweizer, for without his insight, patience, and helpful suggestions that have shaped my development as a scientist, this thesis would not have been possible. I would like also to express my sincere thanks and gratitude to Dr. Gabriele Hardtmann for her encouragement and support throughout my studying years at Stuttgart University. Dr. Manuella Frick for her enormous helping. Dr. Anette Hoffmann-Frey for her friendly interesting. Dr. Gutmann for support in the melt spinning. Dr. F. Harmanutz and Mrs. Müller for the manufacturing of X-rays