A new approach to produce porous silicon powder by chemical attack in phase vaporMarouan Khalifa, Malek Atyaoui, Messaoud Hajji and Hatem EzzaouiaEur. Phys. J. Appl. Phys., 61 3 (2013) 30103DOI: https://doi.org/10.1051/epjap/2013120194