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High Quality Hydrothermal ZnO Crystals

Published online by Cambridge University Press:  15 February 2011

M. Suscavage ,
M. Harris ,
D. Bliss ,
P. Yip ,
S.-Q. Wang ,
D. Schwall ,
L. Bouthillette ,
J. Bailey ,
M. Callahan  and
D. C. Look
...Show all authors
M. Suscavage
Affiliation:
Air Force Research Laboratory, Sensors Directorate, Hanscom AFB, MA 01731, U.S.A.
M. Harris
Affiliation:
Air Force Research Laboratory, Sensors Directorate, Hanscom AFB, MA 01731, U.S.A.
D. Bliss
Affiliation:
Air Force Research Laboratory, Sensors Directorate, Hanscom AFB, MA 01731, U.S.A.
P. Yip
Affiliation:
Air Force Research Laboratory, Sensors Directorate, Hanscom AFB, MA 01731, U.S.A.
S.-Q. Wang
Affiliation:
Air Force Research Laboratory, Sensors Directorate, Hanscom AFB, MA 01731, U.S.A.
D. Schwall
Affiliation:
Air Force Research Laboratory, Sensors Directorate, Hanscom AFB, MA 01731, U.S.A.
L. Bouthillette
Affiliation:
Air Force Research Laboratory, Sensors Directorate, Hanscom AFB, MA 01731, U.S.A.
J. Bailey
Affiliation:
Solid State Scientific Corporation, Hollis, NH 03049, U.S.A.
M. Callahan
Affiliation:
Solid State Scientific Corporation, Hollis, NH 03049, U.S.A.
D. C. Look
Affiliation:
University Research Center, Wright State University, Dayton OH 45435, U.S.A.
D. C. Reynolds
Affiliation:
University Research Center, Wright State University, Dayton OH 45435, U.S.A.
R. L. Jones
Affiliation:
Air Force Research Laboratory, Materials and Manufacturing Directorate, Wright-Patterson AFB, OH 45433, U.S.A.
C. W. Litton
Affiliation:
Air Force Research Laboratory, Materials and Manufacturing Directorate, Wright-Patterson AFB, OH 45433, U.S.A.
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Abstract

Zinc Oxide crystals have historically been grown in hydrothermal autoclaves with a basic mineralizer; however, doubts have been raised about the quality of such crystals because they have often exhibited large x-ray rocking curve widths and low photoluminescence (PL) yield with large linewidths. Several ZnO crystals were grown hydrothermally and sliced parallel to the c-plane. This resulted in opposite surfaces (the C+ and C-) exhibiting pronounced chemical and mechanical differences. Different surface treatments were investigated and compared by PL both at room temperature and liquid helium temperatures, and by double axis X-ray rocking curve measurements. The high quality of hydrothermally-grown ZnO is substantiated by the narrow rocking curve widths and sharp PL peaks obtained. A critical factor in obtaining these results was found to be surface preparation.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 537: Symposium G – GaN and Related Alloys , 1998 , G3.40
Copyright
Copyright © Materials Research Society 1999

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References

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