1. Low Dimensional Materials Research Centre (LDMRC)
2. Department of Physics
3. Faculty of Science
4. University of Malaya
5. 50603 Kuala Lumpur
6. King Abdulaziz University
7. Jeddah 21589
8. Saudi Arabia
9. Department of Electrical Engineering
10. College of Engineering
11. Qatar University
12. Doha
13. Qatar