Tuning the wettability of an aluminum surface via a chemically deposited fractal dendrite structure Duyang Zang, Feng Li, Xingguo Geng, Kejun Lin and Paul S. Clegg Eur. Phys. J. E, 36 6 (2013) 59 Published online: 20 June 2013 DOI: 10.1140/epje/i2013-13059-2