UJebreel Khoshman is professor of physics at Al-Hussein
Bin Talal University, Jordan. Dr Khoshman received his master (2003) and Ph.D.
(2005) degrees in physics - Condensed Matter & Surface Science from Ohio
University, USA. Dr. Khoshman processional interests are in the area of wide band
gap semiconductor thin films, mainly in optical spectroscopy Ellipsometry and characterizations
of amorphous thin films