In this paper, Manning's diffusion kinetics formalism for the binary random alloy is combined with Howard's general correlation factor formalism to give a diffusion kinetics theory for the bcc random alloy with nearest- and next-nearest-neighbour jumps. The derived equations for the atomic component correlation factors reduce to those of Manning when next-nearest-neighbour jumps are omitted. The percolation implications of the derived equations are discussed in detail. Computer simulation is used to test the validity of the theory. Good agreement is found.
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Belova et al. (1998) studied this question.
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