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Growth and Raman Spectroscopy of Single Crystal ZnGeN2 Rods Grown from a Molten Zn/Ge Alloy

Published online by Cambridge University Press:  01 February 2011

Timothy J. Peshek ,
Shanling Wang ,
John C. Angus  and
Kathleen Kash
Timothy J. Peshek
Affiliation:
tjp3@case.edu, Case Western Reserve Univ, Physics, 10900 Euclid Ave., Physics Dept., Cleveland, OH, 44106, United States, (216) 368-0121, (216) 368-4671
Shanling Wang
Affiliation:
wangshanling@gmail.com, Case Western Reserve University, Department of Materials Science, 10900 Euclid Ave., Cleveland, OH, 44106, United States
John C. Angus
Affiliation:
jca3@case.edu, Case Western Reserve University, Department of Chemical Engineering, 10900 Euclid Ave., Cleveland, OH, 44106, United States
Kathleen Kash
Affiliation:
kxk43@case.edu, Case Western Reserve University, Department of Physics, 10900 Euclid Ave., Cleveland, OH, 44106, United States
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Abstract

We present evidence for the growth of ZnGeN2 from a molten Zn/Ge alloy via the vapor-liquid-solid mechanism. Hexagonally faceted, 3-4 microns wide by 20-40 microns long, single crystal rods of ZnGeN2 capped by a polycrystalline dome of ZnGeN2 were formed. A micro-Raman spectrum shows several individually resolved peaks and no spectral features above 825 cm−1, in contrast to a previously published spectrum for polycrystalline ZnGeN2, but in excellent agreement with recent theoretical predictions.

Keywords

Raman spectroscopyIII-Vnucleation & growth
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1040: Symposium Q – Nitrides and Related Bulk Materials , 2007 , 1040-Q01-01
Copyright
Copyright © Materials Research Society 2008

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