1. Faculty of Chemistry, University of Wroclaw, Joliot-Curie 14, 50-383 Wroclaw, Poland
2. Institute for Materials
Research, Tohoku University, 2-1-1 Katahira, Aoba-Ku, 980-8577 Sendai, Japan
3. Institute of Physics AS CR, Cukrovarnicka 10, Prague
6, 16200, Czech Republic
4. Institute Light Matter, UMR5306 CNRS-University of Lyon 1, University of Lyon, Bât. Kastler, 69622 Villeurbanne, France