Analytical and numerical calculation of purification of simple crystal substrates by a method of zonal melting with a fixed size of an ingot. (On the example of bismuth)

V.I. Bochegov, A.S. Parakhin


purification, zonal melting, distribution coefficient, bismuth.


The theory of analytical evaluation for the deep zone purification with multiple pass of the zone for the simple substances was considered in approximation: of low admixtures concentrations in the raw material; of low crystallization rate; in the long-length ingot with constant cross-section and finite length; with invariable size of molten zone.

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