Raman spectroscopy of nano-structured silicon to study the embedded crystallitesV. Tripathi, M. Nazrul Islam, Y. N. Mohapatra and P. Roca i CabarrocasEur. Phys. J. Appl. Phys., 39 3 (2007) 203-209DOI: https://doi.org/10.1051/epjap:2007111