M. Mahbubur Rahman

Department of Physics, Jahangirnagar University, Savar, Dhaka, Bangladesh
School of Engineering & Information Technology, Murdoch University, Perth, Western Australia, Australia

Banalota Moonmoon Sonia

Department of Physics, Jahangirnagar University, Savar, Dhaka, Bangladesh

Mithun Kumar Das

Department of Physics, Jahangirnagar University, Savar, Dhaka, Bangladesh

Farid Ahmed

Department of Physics, Jahangirnagar University, Savar, Dhaka, Bangladesh

Md. Abul Hossain

Department of Physics, Jahangirnagar University, Savar, Dhaka, Bangladesh

D. K. Saha

Materials Science Division, Atomic Energy Centre, Ramna, Dhaka, Bangladesh

Shireen Akhter

Materials Science Division, Atomic Energy Centre, Ramna, Dhaka, Bangladesh