T. Gnanasekar - PG and Research Department of Physics, Arul Anandar College, Karumathur, 625 514, India
S. Valanarasu - PG and Research Department of Physics, Arul Anandar College, Karumathur, 625 514, India
I. Loyola Poul Raj
A. Vimala Juliet - SRM Institute of Science and Technology
Pravata Kumar Behera - University of Delhi
Zakaria M.M. Mahmoud - King Khalid University
Mohd Shkir - King Khalid University
S. AlFaify - King Khalid University