2021
DOI: 10.1364/ome.445043
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Structural and emission improvement of cyan-emitting InGaN quantum wells by introducing a large substrate misorientation angle

Abstract: Within this work, we studied InGaN QWs with nominally 17% InN mole fraction grown within an 80 × 80 μm area with local misorientation angle change from 0.3° to 3.2°. We observed a significant improvement of the photoluminescence intensity for the area with misorientation above 1.5°, which we attribute to the quenching of nonradiative recombination processes. From the structural point of view, the increase of the misorientation angle above 1.5° is accompanied by the improvement of the morphology of the sample a… Show more

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