Affiliation: | 1. Photon Science Institute, University of Manchester, Manchester M13 9PL, UK;2. Department of Physics and I3N, University of Aveiro, Campus Santiago, Aveiro 3810‐193, Portugal;3. Department of Engineering Sciences and Mathematics, Lule? University of Technology, SE‐97187 Lule?, Sweden;4. Materials Research Center of NAS of Belarus, Minsk 220072, Belarus;5. SunEdison Semiconductor Ltd., 28100 Novara, Italy;6. SunEdison Inc., Portland, Oregon, USA;7. Department of Physics, SMN, University of Oslo, Oslo N‐0316, Norway |