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Specific features in shaping Bi12GeO20 crystals grown by low thermal gradient Czochralski technique

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Abstract

Germanosillenite (BGO) crystals have been grown by the low thermal gradient Czochralski technique [1] at crystallization rates of v = 0.05–4 mm/h. The evolution regularities of the faceted front forms have been studied taking into consideration their growth conditions (crystallization rate and thermal conditions). The orientations of the faces forming the crystallization front during crystal growth in the 〈111〉 direction have been determined. The relationship between the front morphology (and, therefore, growth conditions) and the quality of crystals formed is established. The quality of the BGO crystals grown is evaluated by X-ray topography.

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Authors and Affiliations

  1. Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia

    V. N. Shlegel & D. S. Pantsurkin

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  1. V. N. Shlegel
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  2. D. S. Pantsurkin
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Correspondence to D. S. Pantsurkin.

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Shlegel, V.N., Pantsurkin, D.S. Specific features in shaping Bi12GeO20 crystals grown by low thermal gradient Czochralski technique. Crystallogr. Rep. 54, 1261–1264 (2009). https://doi.org/10.1134/S1063774509070219

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  • DOI: https://doi.org/10.1134/S1063774509070219

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