1. Imec; Kapeldreef 75 3001 Leuven Belgium
2. KUL; Departement Elektrotechniek - ESAT; Kasteelpark Arenberg 10 3001 Leuven Belgium
3. LPICM-CNRS; Ecole Polytechnique; 91128 Palaiseau France
4. Solid-State Physics Laboratory; Research Centre in Physics of Matter and Radiation (PMR), University of Namur; 61 rue de Bruxelles 5000 Namur Belgium
5. Applied Physics; Chalmers University of Technology; 412 96 Gothenburg Sweden
6. Institut des Nanotechnologies de Lyon (INL) UMR 5720 CNRS-INSA-ECL-UCBL; Université de Lyon; Ecully 69134 France
7. Obducat Technologies AB; Scheelevägen 2 223 63 Lund Sweden
8. Total M&S - New Energies; R&D Division, Tour Michelet; 24 Cours Michelet, La Défense 10 92 069 Paris La Defense Cedex France