1. Department of Physics, College of Science, University of Bahrain, Sakheer, Kingdom of Bahrain
2. Department of Physics, College of Science, Sultan Qaboos University, Seeb, Oman
3. Materials Science Department, Abbas Laghrour University, Khenchela, Algeria
4. Faculty of Technology, Laboratory of Environment Engineering, University of Bejaia, Targa Ouzemmour, Bejaia, Algeria