Segregation in Pb1−xSnx Te during solidification by the Bridgman technique

descriptionPublicationkeyboard_double_arrow_right Article 01 Mar 1979 English Publisher:Springer Science and Business Media LLCJournal:Journal of Materials Science, volume 14, pages 535-540 (issn: 0022-2461, eissn: 1573-4803,

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Authors: V. Fano; R. Pergolari; L. Zanotti;

doi: 10.1007/bf00772711

Segregation in Pb1−xSnx Te during solidification by the Bridgman technique

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Abstract

The influence of the growth parameters on the concentration gradient of Pb1−xSnxTe monocrystals grown by the vertical Bridgman technique is described. The concentration profiles of all three constituents (Pb, Sn, Te) have been analysed in ingots having different Pb-Sn ratios and grown under different conditions. The presumed role played by free convection in the Pb-Sn ratio is shown. Te was found to be constant in all ingots and not dependent upon the growth conditions.

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