1. Department of Materials Science and Engineering, African University of Science and Technology, Km. 10 Airport Road, P. M. B. 681, Garki, Abuja, Federal Capital Territory, Nigeria
2. Department of Theoretical and Applied Physics, African University of Science and Technology, Km 10 Airport Road, P. M. B. 681, Garki, Abuja, Federal Capital Territory, Nigeria
3. Department of Mechanical Engineering, Worcester Polytechnic Institute, 100 Institute Road, Worcester, Massachusetts 01609, USA
4. Program in Materials Science and Engineering, Department of Mechanical Engineering, Worcester Polytechnic Institute, 100 Institute Road, Worcester, Massachusetts 01609, USA
5. Department of Biomedical Engineering, Worcester Polytechnic Institute, 60 Prescott Street, Gateway Park, Life Sciences and Bioengineering Center, Worcester, Massachusetts 01609, USA