Name Jafar Poursamad Bonab Affliation Department of Laser and Optical Engineering, University of Bonab, 5551761167 Bonab, Iran Degree — Academic Rank - WebSite — Email — Article Presentation Project Book Thesis Speech Innovation TitleJournal 1 The influence of the surface roughness on dielectric function of two-dimensional electron gas: a Lindhard model approach APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING 116 (2014) 2107-2111