| Affiliation: | 1. Department of Physics, URMPE Unite, UMBB University, 35000 Boumerdes, Algeria;2. Department of Physics, College of Science, University of Bahrain, PO Box 32038, Kingdom of Bahrain;3. Department of Physics, College of Science, Sultan Qaboos University, PO Box 36, Oman;4. Key laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Technology, Center for Environmental and Energy Nanomaterials, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, PR China |
