Abstract

A survey of selected compositions in the ternary system SrO-TiO 2-SiO 2 by high-temperature microscopy has shown that single crystals of SrTiO 3 may be grown from a silica flux. Crystals up to 2.5 mm in longest dimension were obtained in a small scale experiment by slow cooling of a 20 g melt of mole ratio 1 SrTiO 3 : 1 SiO 2. The crystals are clear, colorless to pale brown, of good optical quality, free from inclusions and show no evidence of solid solution by X-ray powder diffractometry.

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