Ekpunobi Azubike Josiah is a Professor of Solid State Physics in the Faculty of Physical Sciences, Nnamdi Azikiwe University, Awka. He holds a Ph.D from University of Nigeria, Nsukka(1996), and DICTP from International Centre for Theoretical Physics, Italy. He was HoD(2003 – 2005, 2005 – 2008), Dean of Physical Sciences (2016 – 2018) and currently the Director of Research and Innovation, Nnamdi Azikiwe University, Awka. He is a Fellow of the Nigerian Institute of Physics(NIP), Solar Energy Society of Nigeria (SESN) and Renewable Alternative Energy Society(RAES). His research is on semiconductor Physics and currently working on Spintronic materials for computer assessories. He