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    Origin of Competing Blue and Green Emission in InGaN/GaN Quantum-Disks in Nanowires Heterostructure

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    Type
    Conference Paper
    Authors
    Prabaswara, Aditya cc
    Tien Khee Ng
    Anjum, Dalaver H.
    Wei, Nini
    Zhao, Chao cc
    Albadri, Abdulrahman M.
    Alyamani, Ahmed Y.
    EI-Desouki, Munir M.
    Ooi, Boon S. cc
    KAUST Department
    Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division
    Electrical and Computer Engineering Program
    Electron Microscopy
    Photonics Laboratory
    Physical Characterization
    Date
    2015
    Permanent link to this record
    http://hdl.handle.net/10754/670638
    
    Metadata
    Show full item record
    Abstract
    We report on the mechanism of emission quenching for InGaN/GaN quantum-disks in nanowires heterostructure grown catalyst-free using plasma-assisted molecular beam epitaxy. Temperature-dependent photoluminescence measurement shows the existence of blue and green emission spectra, with the blue peak quenched at room temperature. Characterization results suggest that the quenching is caused by the presence of stacking faults, strain, and the possibility of point defects in the active region.
    Citation
    Prabaswara, A., Ng, T. K., Anjum, D., Wei, N., Zhao, C., Albadri, A. M., … Ooi, B. S. (2015). Origin of competing blue and green emission in InGaN/GaN quantum-disks in nanowires heterostructure. 2015 IEEE Nanotechnology Materials and Devices Conference (NMDC). doi:10.1109/nmdc.2015.7439266
    Publisher
    IEEE
    Conference/Event name
    10th IEEE Nanotechnology Materials and Devices Conference, NMDC 2015
    ISBN
    9781467393621
    DOI
    10.1109/nmdc.2015.7439266
    Additional Links
    http://ieeexplore.ieee.org/document/7439266/
    ae974a485f413a2113503eed53cd6c53
    10.1109/nmdc.2015.7439266
    Scopus Count
    Collections
    Conference Papers; Electrical and Computer Engineering Program; Photonics Laboratory; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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