1. Department of Physics, SUPA, University of Strathclyde, 107 Rottenrow, Glasgow G4 0NG, United Kingdom
2. M. N. Miheev Institute of Metal Physics of UB RAS, 18 S. Kovalevskaya Street, 620108 Ekaterinburg, Russia
3. Department of Experimental Physics, Ural Federal University, Mira 19, 620002 Ekaterinburg, Russia
4. Institute of Solid State Chemistry of UB RAS, 91 Pervomaiskaya, 620990 Ekaterinburg, Russia
5. Skolkovo Institute of Science and Technology, Skolkovo Innovation Center, 3 Nobelya Street, Building X, Moscow 143026, Russia
6. Northumbria Photovoltaic Application Group, Faculty of Engineering and Environment, Northumbria University, Ellison Place, Newcastle upon Tyne NE1 8ST, United Kingdom
7. Scientific-Practical Material Research Centre of the National Academy of Science of Belarus, P. Brovki 19, 220072 Minsk, Belarus
8. Division of Physics, Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia