Growth of shape controlled silicon nanowhiskers by electron beam evaporation Mehmet Karakiz, Burcu Toydemir, Bayram Unal and Leyla Colakerol Arslan Eur. Phys. J. Appl. Phys., 65 2 (2014) 20403 Published online: 14 February 2014 DOI: 10.1051/epjap/2014130362