1. Department of Physics
2. University of Rajshahi
3. Rajshahi 6205
4. Bangladesh
5. Thin Film Physics Division
6. Department of Physics (IFM)
7. Linköping University
8. SE-581 83 Linköping
9. Sweden
10. Faculty of Engineering
11. Environment and Computing
12. Coventry University
13. Coventry CV1 5FB
14. UK
15. Internatinal Islamic University Chittagong