Abstract

AbstractThe effect of direction of vertical molten zone travel on the shape of solidified rod and distribution of silicon in preparation of Fe‐3% Si alloy single crystals by means of a floating zone method with induction heating is studied. With upward direction of zone travel, from circular rods, single crystals with periodical changes of the cross section and of silicon content were obtained. Using the same conditions of growth, but the downward direction of zone travel, single crystals with constant cross section and silicon content were produced. This fact is explained by the influence of variations in zone shape on inductive coupling between the coil and the molten zone, occurring during the melting.

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