1. Department of Physics, American University of Sharjah, Sharjah 26666, UAE
2. Materials Science and Engineering Program, College of Arts and Sciences, American University of Sharjah, Sharjah 26666, UAE
3. Department of Mechanical Engineering, American University of Sharjah, Sharjah 26666, UAE
4. Department of Physics, University of Alberta, Edmonton, Alberta T6G 2E1, Canada
5. Department of Sustainable and Renewable Engineering, University of Sharjah, Sharjah 27272, UAE
6. Center for Advanced Materials Research, University of Sharjah, Sharjah 27272, UAE