Research Electron Microscopist, Northeastern University

Department of Chemistry, University of Chittagong, Bangladesh

Professor of Physics, RK University

Sandia National Laboratories

Guest Faculty CIMF -Periyar University

Lecturer of Physics, physics Department, Faculty of science, Assiut University

Zernike Institute for Advanced Materials, University of Groningen

Nanoscience and Technology Division, Argonne National Laboratory

Faculty of Science and Arts El-Mozneb, Qassim University, El-Mozneb, 51931, KS A

Research Scholar, Department of Physics, Sidho-Kanho-Birsha University