Department of Physics College of Education Salahaddin University-Erbil 44001-Erbil Kurdistan Region Iraq;
physics Education Department Faculty of Education Ishik University 44001-Erbil Iraq;
Department of Physics University of Management and Technology 54000-Lahore Pakistan;
Centre for Research Services IPPP University of Malaya 50603-Kuala Lumpur Malaysia;
Centre for Advanced Materials(CAM) Qatar University P.O.Box 2713 Doha Qatar;
Department of Physics University of Malaya 50603-Kuala Lumpur Malaysia;
College of Engineering Qassim University Buraydah 51452 Saudi Arabia;
Group for Molecular Engineering of Functional Materials Ecole Polytechnique Fédérale de Lausanne(EPFL) CH-1951 Sion Switzerland;