Affiliation: | 1.Physics Department, Faculty of Science, Assiut University, Assiut, Egypt ;2.Research Center for Sustainable Energy and Technology, Kanazawa University, Kakuma-machi, Kanazawa, Japan ;3.Department of Electrical and Electronic Engineering, Center for Electric, Optic and Energy Applications, Kanazawa Institute of Technology, Nonoichi, Japan ;4.School of Natural System, Kanazawa University, Kakuma-machi, Kanazawa, Japan ; |