Khadiza Begam

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

Md. AlamgirKabir

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

M. Mahbubur Rahman

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

Md. Abul Hossain

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

Mubarak A. Khan

Institute of Radiation & Polymer Technology, Atomic Energy Research Establishment, Savar, Dhaka, Bangladesh