List of Articles Seyed Hesam Mir Shah Ghassemi Article 1 - Effect of different sizes of balls on crystalline size, strain, and atomic diffusion on Cu-Fe nanocrystals produced by mechanical alloying 10.1186/2251-7235-6-29 Mohammad Reza Vaezi Seyed Hesam Mir Shah Ghassemi Ali Shokuhfar Journal of Theoretical and Applied Physics , Issue 1 , Year , Winter 2013