1. Université de Valenciennes et du Hainaut-Cambrésis, Institute of Electronics, Microelectronics and Nanotechnology, IEMN,
UMR 8520, Le Mont Houy 59313, France
2. University of Lille Nord de France, Institute of Electronics,
Microelectronics and Nanotechnology, (IEMN, UMR 8520, Cité
Scientifique, Avenue Poincaré BP 60069, 59652 Villeneuve
d’Ascq, France
3. IMEC, Kapeldreef 75, Leuven 3001, Belgium