1. Ruđer Bošković Institute, Division of Materials Physics, Centre of Excellence for Advanced Materials and Sensing Devices, Bijenička 54, HR-10002 Zagreb, Croatia
2. Fk. 4, Physik, Bergische Universität Wuppertal, Gauss-Straße 20, D-42097 Wuppertal, Germany
3. Division of Physical Chemistry, Ruđer Bošković Institute, Bijenička 54, HR-10002 Zagreb, Croatia
4. Division of Materials Chemistry, Ruđer Bošković Institute, Bijenička 54, HR-10002 Zagreb, Croatia
5. Department of Materials Chemistry, National Institute of Chemistry, Hajdrihova 19, SI-1001 Ljubljana, Slovenia