Abstract
The methods of X-ray diffraction, Mössbauer spectroscopy, IR spectroscopy, and laser diffractometry are employed to study the changes in the structure and phase transformations that accompany mechanical alloying of Si and 57Fe used in an atomic ratio of 99: 1. It is established that the process comprises the development of a nanocrystalline state of Si with crystallite sizes smaller than 10 nm; the formation of an amorphous phase of Si at particle surfaces and in near-boundary distorted zones of interfaces in Si nanostructure; the penetration of 57Fe atoms along grain boundaries; and the formation of Si-Fe clusters, the local environment of Fe atoms in which is typical of a deformed α-FeSi2 phase, with these clusters being located in the interfaces.
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Original Russian Text © E.P. Yelsukov, A.L. Ul’yanov, A.V. Protasov, V.E. Porsev, D.S. Rybin, D.A. Kolodkin, 2013, published in Kolloidnyi Zhurnal, 2013, Vol. 75, No. 3, pp. 289–294.
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Yelsukov, E.P., Ul’yanov, A.L., Protasov, A.V. et al. Deformation-induced structural transformations in Si and the initial stage of mechanical alloying of Si and Fe. Colloid J 75, 261–266 (2013). https://doi.org/10.1134/S1061933X13030058
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DOI: https://doi.org/10.1134/S1061933X13030058