Abstract
Films obtained using molecular-beam deposition of SiO powder on c-Si (111) substrates for the purpose of SiO2 system formation with silicon nanocrystals were investigated before and after 900–1100°C annealing by photoluminescence, ultrasoft X-ray emission spectroscopy, X-ray photoelectron spectroscopy, X-ray absorption near-edge structure spectroscopy, and X-ray diffraction. The appearance of (111)-oriented luminescent silicon nanoclusters in considerable amounts upon annealing at T = 1000–1100°C is established in the investigated films. An anomalous phenomenon of X-ray absorption quantum yield intensity reversal for the L 2,3 elementary silicon edge is detected. Models for this phenomenon are suggested.
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Original Russian Text © V.A. Terekhov, S.Yu. Turishchev, K.N. Pankov, I.E. Zanin, E.P. Domashevskaya, D.I. Tetelbaum, A.N. Mikhailov, A.I. Belov, D.E. Nikolichev, 2011, published in Poverkhnost’. Rentgenovskie, Sinkhrotronnye i Neitronnye Issledovaniya, 2011, No. 10, pp. 46–55.
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Terekhov, V.A., Turishchev, S.Y., Pankov, K.N. et al. Synchrotron investigations of electronic and atomic-structure peculiarities for silicon-oxide films’ surface layers containing silicon nanocrystals. J. Surf. Investig. 5, 958–967 (2011). https://doi.org/10.1134/S102745101110020X
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DOI: https://doi.org/10.1134/S102745101110020X