1. Department of Physics Forman Christian College (A Chartered University) Lahore Pakistan
2. Core Research Facilities King Fahd University of Petroleum and Minerals Dhahran Saudi Arabia
3. Department of Physics, College of Sciences Princess Nourah bint Abdulrahman University (PNU) Riyadh Saudi Arabia
4. Department of Physics, Faculty of Science King Khalid University Abha Saudi Arabia
5. Functional Materials Laboratory (FML), School of Materials Science and Engineering Xi'an University of Architecture and Technology Xi'an China