1. Department of Physics
2. Chemistry and Biology (IFM)
3. Linköping University
4. 581 83 Linköping
5. Sweden
6. Centre for Energy Research
7. Institute of Technical Physics and Materials Science
8. Budapest
9. Hungary
10. Consiglio Nazionale delle Ricerche
11. Istituto per la Microelettronica e Microsistemi
12. Strada VIII
13. Catania
14. Italy