1. Solid State Physics Department
2. Physics research division
3. National Research Centre
4. Cairo
5. Egypt
6. Ceramics Department
7. Department of Chemical Engineering and Polymer Science
8. Shahjalal University of Science and Technology
9. Sylhet 3100
10. Bangladesh
11. Center of Excellence for Advanced Materials Research and Chemistry Department, Faculty of Science
12. King Abdulaziz University
13. Jeddah 21589
14. Saudi Arabia