1. Department of Physics; Centre for Emerging Sciences, Engineering and Technology (CESET); Islamabad Pakistan
2. Nano Science and Catalysis Division; National Centre for Physics, QAU; Islamabad Pakistan
3. Composite Engineering, Glyndwr University; Wrexham Wales LL11 2AW UK
4. School of Mechanical and Manufacturing Engineering; National University of Sciences and Technology (NUST); H-12 Islamabad Pakistan