1. Institute
of Semiconductor Technology and Laboratory for Emerging Nanometrology
(LENA), TU Braunschweig University of Technology, Hans-Sommer-Straße 66, D-38106 Braunschweig, Germany
2. Institute
of Organic Chemistry, Johannes Gutenberg University Mainz, Duesbergweg
10-14, D-55128 Mainz, Germany
3. Inorganic
Chemistry Department, National Research Centre (NRC), Cairo, Egypt
4. MIND, Department of Electronic & Biomedical Engineering, Universitat de Barcelona, C/Martí i Franquès 1, E-08028 Barcelona, Spain
5. Institute
of Nanoscience and Nanotechnology (IN2UB), Universitat de Barcelona, C/Martí i Franquès 1, E-08028 Barcelona, Spain
6. Institute
of Solid State Physics, Friedrich Schiller University Jena, Max-Wien-Platz
1, D-D-07743 Jena, Germany