Growth of fractal structures in flames with silicon admixture B. M. Smirnov, M. Dutka, V. M. van Essen, S. Gersen, P. Visser, D. Vainchtein, J. Th. M. De Hosson, H. B. Levinsky and A. V. Mokhov EPL, 98 6 (2012) 66005 Published online: 10 July 2012 DOI: 10.1209/0295-5075/98/66005