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Purity and doping possibilities of Al 2 O 3 and YAG molten in Mo crucibles and crystals grown from this melt
Author(s) -
Kvapil Jiří,
Perner Bohumil,
Kvapil Josef,
Blažek Karel
Publication year - 1980
Publication title -
kristall und technik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0023-4753
DOI - 10.1002/crat.19800151016
Subject(s) - alkali metal , molybdenum , doping , ion , materials science , silicon , alkaline earth metal , atmosphere (unit) , phase (matter) , reducing atmosphere , analytical chemistry (journal) , inorganic chemistry , metallurgy , mineralogy , chemistry , metal , physics , chromatography , optoelectronics , organic chemistry , thermodynamics
Doping possibilities of Al 2 O 3 and YAG crystals grown from the melt alternatively doped with alkali earth, silicon, iron group or molybdenum ions under 98% Ar – 2% H 2 or 98% He – 2% H 2 protective atmosphere are described. Alkali earth and particularly Si ions evaporate slowly from the melt. Reduction of iron group ions was observed. Mo may enter YAG phase using a wet protective atmosphere. Al 2 O 3 phase contains Mo ions if grown from the electrolyzed melt.
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