1. KTH Royal Institute of Technology
2. Department of EKT
3. School of Information and Communication Technology
4. SE-16440 Kista, Sweden
5. Department of Materials and Nano Physics
6. Department of Micro and Nano Systems
7. School of Electrical Engineering
8. SE-10044 Stockholm, Sweden
9. Uppsala University
10. Department of Materials
11. SeRC (Swedish e-Science Research Center)
12. University of Siegen
13. 57076 Siegen, Germany