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Influence of temperature conditions in horizontal Bridgman furnace on crystal growth of GaAs

✍ Scribed by Dr. F. Moravec; B. Štěpánek


Publisher
John Wiley and Sons
Year
1987
Tongue
English
Weight
339 KB
Volume
22
Category
Article
ISSN
0232-1300

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✦ Synopsis


The experiinriital investigation of the boat shape aiid boat position in the furnace in the case of unseeded horizontal Bridgnian growth of GaAs single crystals was carried out. The relation bctwecn axial and radial temperature gradients in the furnace was also studictl. On the basis of experimental results the optimum conditions for the growth of low tlislocation drnsity GaAs single crystals were derived.

Der Einflufi von Form und Stellung d r s Schiffchens in1 Ofeii auf das Wachstuni VCIII GaAs-Kristallcw niit Hilfe des horizontalen Bridgman-Verfahrens ohne Kristallisatiorlskrini wurdc exporiinentell untersurht. Gleichzeitig erfolgte das Studiuiii der Bezichmigfm zwischen axialen und radialen Temperaturgradienten in1 Ofen. Auf der Grundlagc tier experiiurntrllen Ergebnissc wurden dic optimalen Bedingungen f u r tlas 'Il'uc~hst11111 von GaAs-Kristalkn init geringun Versetzungsdichtcn abgeleitrt.


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