Formation of thermal evaporated Ge Nano-Islands by high temperature annealing E. Lotfi, A. Ghaderi, S. Solaymani, B. Arghavani Nia, A. Baghizadeh, D. Agha-Aligol, M.R. Hantehzadeh and A. Hodaei Eur. Phys. J. D, 66 8 (2012) 207 Published online: 16 August 2012 DOI: 10.1140/epjd/e2012-20570-2