1. Leibniz‐Institute for Solid State and Materials Research (IFW) Dresden Helmholtzstrasse 20 01069 Dresden Germany
2. Photonic Nanomaterials Istituto Italiano di Tecnologia Genova 16163 Italy
3. Center for Advancing Electronics Dresden (cfaed) Dresden University of Technology Helmholtzstrasse 18 01069 Dresden Germany
4. CIC NanoGUNE BRTA Tolosa Hiribidea 76 Donostia‐San Sebastián Basque Country 20018 Spain
5. IKERBASQUE, Basque Foundation for Science Bilbao Basque Country 48009 Spain
6. Institute of Ion Beam Physics and Materials Research Helmholtz‐Zentrum Dresden‐Rossendorf Bautzner Landstrasse 400 01328 Dresden Germany
7. Nanochemistry Istituto Italiano di Tecnologia Via Morego 30 Genova 16163 Italy
8. Dipartimento di Chimica e Chimica Industriale Università degli Studi di Genova Via Dodecaneso 31 Genova 16146 Italy
9. Materials Characterization Facility Istituto Italiano di Tecnologia Via Morego 30 Genova 16163 Italy
10. Physical Chemistry Dresden University of Technology Zellescher Weg 19 01069 Dresden Germany