Abstract
We studied indium incorporation into InGaN/GaN quantum wells grown by metal–organic vapor phase epitaxy by systematically varying of gallium and indium precursor flows on (0001), (101¯3), (112¯2), and (101¯0) orientations. The layer thickness and indium composition obtained from x-ray diffraction analysis were correlated with a model based on indium and gallium incorporation efficiencies. In the model, the indium incorporation efficiency is reproduced by the Langmuir surface coverage of gallium, indicating that indium atoms close to gallium atoms can be incorporated preferably.
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