1. Low
Dimensional Materials Research Centre, Department of Physics, Faculty
of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
2. International Institute of Advanced Islamic Studies (IAIS) Malaysia, Jalan Ilmu, Off Jalan Universiti, 59100 Kuala Lumpur, Malaysia
3. Materials
Science and Nanotechnology Department, Faculty of Postgraduate Studies
for Advanced Sciences, Beni-Suef University, Beni-Suef, Egypt