Peter Friedrichs, Tsunenobu Kimoto, Lothar Ley, Gerhard Pensl, Germany) Friedrichs, Peter (SiCED, a joint venture between Siemens and Infineon located in Erlangen, Japan) Kimoto, Tsunenobu (Kyoto University, Germany) Ley, Lothar (University of Erlangen, Germany) Pensl, Gerhard (University Erlangen-Nurnberg