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Effect of Cation Sublattice Ordering on Structure and Raman Scattering of ZnGeN2

Published online by Cambridge University Press:  27 February 2013

Eric Blanton ,
Keliang He ,
Jie Shan  and
Kathleen Kash
Eric Blanton
Affiliation:
Physics Department, Case Western Reserve University, Cleveland, OH 44106
Keliang He
Affiliation:
Physics Department, Case Western Reserve University, Cleveland, OH 44106
Jie Shan
Affiliation:
Physics Department, Case Western Reserve University, Cleveland, OH 44106
Kathleen Kash
Affiliation:
Physics Department, Case Western Reserve University, Cleveland, OH 44106
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Abstract

The semiconductor ZnGeN2 was grown by a vapor-liquid-solid mechanism. Ordering of the Zn-Ge sublattice with growth temperature and Zn partial pressure was investigated by powder x-ray diffraction and was found to be sensitive to the growth temperature and insensitive, over the range explored, to the Zn and NH3 partial pressures. The degree of disorder on the cation sublattice was observed to correlate with the suppression of predicted Raman peaks and the emergence of phonon density-of-states features.

Keywords

crystal growthcrystallographic structureIII-V
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1493: Symposium E/H – Photovoltaic Technologies, Devices and Systems Based on Inorganic Materials, Small Organic Molecules and Hybrids , 2013 , pp. 237 - 242
Copyright
Copyright © Materials Research Society 2013 

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References

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