Venugopal, Vinay; Upadhyaya, Kishor; Kumar, Kishore; Shivaprasad, S. M.
(Elsevier Science Bv, 2014)
Low energy argon ion bombardment of different fluence onto a GaN film grown on Al2O3 (0 0 0 1) surface induces interesting compositional and morphological modifications. While atomic force microscopy (AFM) studies reveal ...