Journal
APPLIED PHYSICS LETTERS
Volume 88, Issue 6, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2172146
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A direct correlation of structural and optical properties of MOCVD-grown ZnCdO-layers with a systematic variation of Cd-content has been achieved on a microscopic scale using highly spatially and spectrally resolved cathodoluminescence. The ZnCdO layer luminescence measured in cathodoluminescence wavelength images reveals strong lateral fluctuations directly visualizing local band gap fluctuation as a consequence of different local Cd incorporation. We give direct evidence for a chemical phase separation into Cd-rich and Cd-poor nanodomains in ZnCdO. (c) 2006 American Institute of Physics.
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