Growth and characterization of polar (0&
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A. Das; P. Sinha; Y. Kotsar; P.K. Kandaswamy; G.P. Dimitrakopulos; Th. Kehagias;
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Article
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2011
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Elsevier Science
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English
⚖ 627 KB
We report a comparison of the plasma-assisted MBE growth of polar (0 0 0 1) and semipolar (1 1 À 2 2) -oriented InGaN/GaN quantum dots (QDs) grown simultaneously on GaN templates. The photoluminescence (PL) from semipolar QDs shows a systematical blueshift in comparison to the respective polar sampl