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Combined distillation and normal freezing to purify elements of groups II and VIA practical system and its application to the purification of Te and Cd is described. Single crystals are grown directly in vitreous silica ampoules subsequently used for sealed Bridgman growth of (Hg-Cd)Te. The system also prepares the ampoules by heating in high vacuum. Purification of the elements is by the combined effect of distillation and normal freezing. Transport and segregation are discussed.
Document ID
19850066325
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Holland, L. R.
(NASA Marshall Space Flight Center; Alabama, University Huntsville, United States)
Date Acquired
August 12, 2013
Publication Date
January 1, 1984
Publication Information
Publication: Journal of Crystal Growth
Volume: 70
ISSN: 0022-0248
Subject Category
Solid-State Physics
Accession Number
85A48476
Funding Number(s)
CONTRACT_GRANT: NAS8-34957
Distribution Limits
Public
Copyright
Other

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