1. Institute of Nanoscience and Nanotechnology, Kafrelshiekh University, 33516 Kafrelskiekh, Egypt
2. Center for Integrative Petroleum Research (CIPR), College of Petroleum Engineering and Geosciences, King Fahd University of Petroleum and Minerals (KFUPM), Dhahran 31261, Saudi Arabia
3. Institut für Physik, Universität Rostock, Albert-Einstein-Str. 23-24, D-18059 Rostock, Germany
4. Department of Physics and Materials Science, College of Arts and Sciences, Qatar University, PO Box 2713, Doha 2713, Qatar
5. Center for Sustainable Development, College of Arts and Sciences, Qatar University, 2713 Doha, Qatar