1. Suleyman Demirel University Almaty Kazakhstan
2. Department of Solid state Physics and Nonlinear Physics Al‐Farabi Kazakh National University Almaty Kazakhstan
3. Department of Pedagogy of Natural Sciences, Suleyman Demirel University Almaty Kazakhstan
4. Department of Physics, Nazarbayev Intellectual School of Physics and Mathematics Almaty Kazakhstan
5. University of Macedonia Thessaloniki Greece
6. State University of New York at Albany Albany USA