1. Departamento de Física & i3N
2. Universidade de Aveiro
3. Campus Universitário de Santiago
4. 3810-193 Aveiro
5. Portugal
6. IPFN
7. Instituto Superior Técnico
8. Campus Tecnológico e Nuclear
9. Estrada Nacional 10
10. P 2695-066 Bobadela LRS
11. Department of Materials Science and Engineering and Department of Physics
12. Applied Physics and Astronomy
13. Rensselaer Polytechnic Institute
14. Troy
15. USA
16. CIMAP
17. CEA-CNRS-ENSICAEN-UNICAEN
18. 14070 Caen Cedex 5
19. France