M. Ravikumar - Department of Physics, Arumugam Pillai Seethai Ammal College, Tiruppattur, 630211, India
V. Ganesh - King Khalid University
Mohd Shkir - King Khalid University
R. Chandramohan - Annamalai University
K. Deva Arun Kumar
S. Valanarasu - PG and Research Department of Physics, Arul Anandar College, Karumathur, 625514, India
A. Kathalingam
S. AlFaify - King Khalid University