1. Institute for Scintillation Materials National Academy of Sciences of Ukraine, 60 Nauky Avenue, 61072 Kharkiv, Ukraine
2. Leibniz Institute for Solid State and Materials Research Dresden, Helmholtzstraße 20, 01069 Dresden, Germany
3. The Henryk Niewodniczański Institute of Nuclear Physics, Polish Academy of Sciences, Radzikowskiego 152, Kraków 31-342, Poland
4. Taras Shevchenko National University of Kyiv, Hlushkova 4, Kyiv 03127, Ukraine
5. Department of Materials and Environmental Chemistry, Stockholm University, Sweden, SE-106 91 Stockholm, Sweden
6. National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, 37 Beresteisky Avenue, Kyiv 03127, Ukraine