1. Department of Materials Science and Engineering African University of Science and Technology Abuja Nigeria
2. National Space Research and Development Agency (NASRDA), Obasanjo Space Centre Abuja Nigeria
3. Department of Mechanical Engineering Worcester Polytechnic Institute Worcester Massachusetts USA
4. Department of Mechanical Engineering Miami University Oxford Ohio USA
5. Department of Theoretical and Applied Physics African University of Science and Technology (AUST) Abuja Nigeria