1. Department of Nanotechnology and Advanced Materials Graduate School of Applied and Natural Science Selçuk University Konya 42030 Turkey
2. Science and Technology Research and Application Center (BITAM) Necmettin Erbakan University Konya 42090 Turkey
3. Solar and Space Research Department National Research Institute of Astronomy and Geophysics (NRIAG) Helwan Cairo 11421 Egypt
4. Institute of Ceramics and Polymer Engineering University of Miskolc Miskolc H-3515 Egyetemváros Hungary
5. National Institute of Materials Physics Atomistilor 405A 077125 Magurele Romania
6. Laboratory of Solid-State Physics Faculty of Sciences Dhar el Mahraz University Sidi Mohammed Ben Abdellah PO Box 1796, Atlas Fez 30 000 Morocco
7. Department of Astronomy and Metrology Faculty of Science Al-Azhar University Cairo 11651 Egypt
8. Department of Physics Ecole Normale Supérieure (ENS) Mohammed V University Rabat 8007.N.U Morocco
9. Department of Physics Faculty of Science Selçuk University Konya 42075 Turkey
10. Department of Basic Sciences Faculty of Engineering Necmettin Erbakan University Konya 42090 Turkey