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Growth of Large AlN Single Crystals Along the [0001] Direction

Published online by Cambridge University Press:  01 February 2011

Ziad Georges Herro ,
Dejin Zhuang ,
Raoul Schlesser ,
Ramon Collazo  and
Zlatko Sitar
Ziad Georges Herro
Affiliation:
[email protected], NCSU, Materials Science, 1001 Capability Dr., Raleigh, NC, 27695, United States, 919-515-8804
Dejin Zhuang
Affiliation:
[email protected], NCSU, Materials Science and Eng.
Raoul Schlesser
Affiliation:
[email protected], NCSU, Materials Science and Eng.
Ramon Collazo
Affiliation:
[email protected], NCSU, Materials Science and Eng.
Zlatko Sitar
Affiliation:
[email protected], NCSU, Materials Science and Eng.
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Abstract

We have demonstrated growth of large AlN single crystals using (0001)-oriented AlN seeds. Boules with a diameter of 15 mm and length up to 12 mm were obtained from 5 mm seeds. Step flow growth was observed on both Al and N-polar surfaces. N-polar face was suitable for growth within a large window of growth parameters while the Al-polar seeds yielded high-quality crystals only at low supersaturation.

Keywords

III-Vcrystal growthmorphology
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 892 , 2005 , 0892-FF21-01
Copyright
Copyright © Materials Research Society 2006

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References

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