1. Department of Electronics and Nanoengineering, Aalto University School of Electrical Engineering, P.O. Box 13500, FI-00076 Aalto, Finland
2. Nanovate Oy, Tietotie 3, 02150 Espoo, Finland
3. VTT Technical Research Center of Finland Ltd., P.O. Box 1000, FI-02044 Espoo, Finland
4. Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
5. Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research, Bautzner Landstr. 400, 01328 Dresden, Germany
6. Department of Chemical and Metallurgical Engineering, Aalto University School of Chemical Engineering, P.O. Box 16100, FI-00076 Aalto, Finland
7. Department of Chemistry and Materials Science, Aalto University School of Chemical Engineering, P.O. Box 16100, FI-00076 Aalto, Finland