Designing a large scale CVD reactor for GaAs growth on Ge substrates by multi-hierachy modeling
✍ Scribed by D. Moscatelli; A. Veneroni; C. Cavallotti; M. Masi; M. Bosi; G. Attolini; C. Pelosi
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 291 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0232-1300
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✦ Synopsis
Abstract
A novel large scale MOCVD reactor was designed through the use of models of different complexity and addressing the growth process at different length scales (multi‐hierarchy and multi‐scale approach). Particular care was taken in designing the gas distribution over the whole susceptor up to exhaust to avoid fluid rolls and back circulations. Moreover, a quantum chemistry based refining of GaAs deposition chemistry was performed and the usual macroscale (fluid dynamics and growth rate) simulations were used for reactor design. The reactor was then constructed, installed and placed on operation to test its real performances. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)