Abstract
The Raman scattering spectra of porous p −- and p +-silicon with a porosity of 20–70% are investigated. Conclusions on the morphology of silicon nanocrystallites are made based on this. It is shown that their size and shape depend on the level of sample doping. The crystallites are comprised of nanowires with diameter 6–9 nm or nanospheres with diameter 3–5 nm. An increase in porosity causes the broadening of spectral lines and their shift toward shorter wavelengths.
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Original Russian Text © S.L. Khrypko, 2014, published in Poverkhnost’. Rentgenovskie, Sinkhrotronnye i Neitronnye Issledovaniya, 2014, No. 12, pp. 63–67.
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Khrypko, S.L. Raman scattering spectra and morphology of porous-silicon nanocrystallites on p-type plates. J. Surf. Investig. 8, 1302–1305 (2014). https://doi.org/10.1134/S1027451014060329
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DOI: https://doi.org/10.1134/S1027451014060329