1. Spintronics Laboratory, Department of PhysicsInternational Islamic University Islamabad Pakistan
2. Institute of Chemical Sciences, University of Peshawar Peshawar Pakistan
3. Department of ChemistryChemnitz Technical University Chemnitz Germany
4. Department of PhysicsUniversity of Peshawar Peshawar Pakistan
5. Pakistan Council of Scientific and Industrial Research Laboratories Complex Peshawar Pakistan