1. Institute for Scintillation Materials NAS of Ukraine, 60 Nauky Ave., 61072 Kharkiv, Ukraine
2. Institute of Physics, Kazimierz Wielki University in Bydgoszcz, Powstancow Wielkopolskich Str., 2, 85090 Bydgoszcz, Poland
3. SSI “Institute for Single Crystals”, NAS of Ukraine, 61072 Kharkiv, Ukraine
4. Institute of Light and Matter UMR 5306, University Claude Bernard Lyon 1, CNRS, 69100 Villeurbanne, France
5. Leibniz Institute for Solid State & Materials Research, Helmholtzstraße 20, 01069 Dresden, Germany