Optical studies on InxGa1-xN quantum disks

Mark J. Holmes; Young S. Park; Xu Wang; Christopher C. S. Chan; Anas F. Jarjour; Jun Luo; Jamie H. Warner; H. A. R. El-Ella; R. A. Oliver; Robert A. Taylor

doi:10.1117/12.877149

21 February 2011 Optical studies on In_xGa_1-xN quantum disks

Mark J. Holmes, Young S. Park, Xu Wang, Christopher C. S. Chan, Anas F. Jarjour, Jun Luo, Jamie H. Warner, H. A. R. El-Ella, R. A. Oliver, Robert A. Taylor

Author Affiliations +

Proceedings Volume 7937, Ultrafast Phenomena in Semiconductors and Nanostructure Materials XV; 793713 (2011) https://doi.org/10.1117/12.877149
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

Time integrated and time resolved microphotoluminescence studies have been performed on In_xGa_1-xN quantum disks embedded in GaN nanocolumns. The results are analysed in context of current theories regarding an inhomogeneous strain distribution in the disk, which is theorised to generate lateral charge separation in the disks by strain induced band bending, an inhomogeneous polarization field distribution, and Fermi surface pinning. It is concluded that no lateral separation of carriers occurs in the quantum discs under investigation.

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Mark J. Holmes, Young S. Park, Xu Wang, Christopher C. S. Chan, Anas F. Jarjour, Jun Luo, Jamie H. Warner, H. A. R. El-Ella, R. A. Oliver, and Robert A. Taylor "Optical studies on In_xGa_1-xN quantum disks", Proc. SPIE 7937, Ultrafast Phenomena in Semiconductors and Nanostructure Materials XV, 793713 (21 February 2011); https://doi.org/10.1117/12.877149

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