1. Fraunhofer Institute for Integrated Systems and Device TechnologySchottkystrasse 10, 91058 ErlangenGermany
2. Chair of Electron DevicesUniversity of Erlangen–NurembergCauerstrasse 6, 91058 ErlangenGermany
3. Infineon Technologies Austria AGSiemensstrasse 2, 9500 VillachAustria