1. Imec, Kapeldreef 75, B-3001 Heverlee,
Belgium
2. Department of Metallurgy
and
Materials Engineering, KU Leuven, Kasteelpark
Arenberg 44, B-3001 Heverlee, Belgium
3. Instituut voor Kern- en Stralingsfysica, KU Leuven, Celestijnenlaan 200 D, B-3001 Heverlee,
Belgium
4. Department of Electrical
Engineering, KU Leuven, Kasteelpark Arenberg
10, B-3001 Heverlee,
Belgium