[1] Univ Sci & Technol Bannu, Dept Phys, Lab Res Adv Mat, Bannu, Khyber Pakhtunk, Pakistan
[2] Penn State Univ, Mat Res Inst, University Pk, PA USA
[3] Univ Sci & Technol Bannu, Dept Chem, Bannu, Khyber Pakhtunk, Pakistan
[4] Qassim Univ, Coll Sci, Dept Phys, Buraydah, Saudi Arabia
[5] Univ Sci &Technol Bannu, Dept Phys, Lab Res Adv Mat, Bannu 28100, Khyber Pakhtunk, Pakistan