1. Institute for Scintillation Materials, National Academy of Sciences of Ukraine,Yu.V.Malyukin Department of Nanostructured Materials,Kharkiv,Ukraine
2. Kharkiv National University of Radio Electronics,Department of Physics,Kharkiv,Ukraine
3. National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”,Department of Physical Materials Science and Heat Treatment,Kyiv,Ukraine