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New Developments in Vertical Gradient Freeze Growth

✍ Scribed by O. Pätzold; U. Wunderwald; M. Bellmann; P. Gumprich; E. Buhrig; A. Cröll


Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
209 KB
Volume
6
Category
Article
ISSN
1438-1656

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✍ E. Buhrig; C. Frank; G. Gärtner; K. Hein; V. Klemm; G. Kühnel; U. Voland 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 432 KB

Undoped GaAs crystals were grown by the vertical gradient freeze technique in a multizone furnace. By optimization of the growth equipment and the thermodynamic conditions, crystals were obtained with a low density of microdefects and dislocations (etch pits density about 10 3 cm-2) as well as semi-