TITLE

Nature of quasi-LO phonon in ZnO

AUTHOR(S)
Tay, Y. Y.; Tan, T. T.; Liang, M. H.; Boey, F.; Li, S.
PUB. DATE
September 2008
SOURCE
Applied Physics Letters;9/15/2008, Vol. 93 Issue 11, p111903
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The quasi-LO phonon mode is related to the specific defects that strongly affect the photonic properties of materials such as zinc oxide (ZnO). The line shapes of the quasi-LO phonon of ZnO annealed in different environments have been investigated. The experimental results show that this mode has the greatest Raman shift to lower wavenumber for the ZnO annealed in ambient atmosphere, suggesting that it has the largest concentration of defects that may be related to its green emission.
ACCESSION #
34555718

 

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