1. P.N. Lebedev Physical Institute of the Russian Academy of Sciences
2. Moscow
3. Russia
4. Department of Electronic and Electrical Engineering
5. Trinity College
6. Dublin 2
7. Ireland
8. School of Electrical and Electronic Engineering
9. Dipartimento di Fisica e Ingegneria dei Materiali e del Territorio and CNISM
10. Università Politecnica delle Marche
11. 60131 Ancona
12. Italy
13. European Synchrotron Radiation Facility
14. 38043 Grenoble Cedex
15. France
16. Department of Applied Science and Technology
17. Physics Institute of Condensed Matter and Complex Systems
18. CNISM
19. Politecnico di Torino
20. Torino