Authors
D. Siva Kumar
Department of Physics, Sree Krishna College of Engineering, Unai, Anaicut-632 101,, Tamilnadu, India
PG & Research Department of Physics, Islamiah College, Vaniyambadi-635 752,, Tamilnadu, India
K. Chandra Babu Naidu
Department of Physics, Material Science Laboratory, S.K.University,, Anantapur, India
M. Mohamed Rafi
PG & Research Department of Physics, Islamiah College, Vaniyambadi-635 752,, Tamilnadu, India
K. Prem Nazeer
PG & Research Department of Physics, Islamiah College, Vaniyambadi-635 752,, Tamilnadu, India
A. Ayisha Begam
Department of Physics, Avinashilingam Institute for Home Science and Higher Education, Coimbatore-641 043,, Tamilnadu, India
G. Ramesh Kumar
Department of Physics, University College of Engineering-Arni, 632 326,, Tamilnadu, India