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    High nitrogen flux plasma-assisted molecular beam epitaxy growth of InxGa1-xN films

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    Type
    Article
    Authors
    Jorgensen, Kelsey F.
    Bonef, Bastien cc
    Speck, James S.
    Date
    2020-09
    Permanent link to this record
    http://hdl.handle.net/10754/667306
    
    Metadata
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    Abstract
    Growth of efficient III-N based light emitting devices by plasma assisted molecular beam epitaxy has been elusive, even though the technique has attractive advantages in comparison to metal organic chemical vapor deposition. Modern high-flux radio frequency plasma systems could remedy this issue by enabling growth of InxGa1-xN at higher temperatures than previously possible, likely improving the material quality. In this work, active nitrogen fluxes of up to 3.5 μm/h GaN-equivalent growth rate were employed to grow InxGa1-xN alloys. InxGa1-xN growth rates of 1.3 μm/h were demonstrated at growth temperatures of 550 °C and 600 °C with maximum film compositions of In0.25Ga0.75N and In0.21Ga0.79N, respectively. A composition of In0.05Ga0.95N was observed in a film grown at 700 °C with smooth step-terrace morphology.
    Citation
    Jorgensen, K. F., Bonef, B., & Speck, J. S. (2020). High nitrogen flux plasma-assisted molecular beam epitaxy growth of InxGa1-xN films. Journal of Crystal Growth, 546, 125738. doi:10.1016/j.jcrysgro.2020.125738
    Sponsors
    This work was supported in part by the KACST-KAUST-UCSB Solid State Lighting Program, the Solid State Lighting and Energy Electronics Center (SSLEEC) at UCSB, the Simons Foundation (601952, JS), and (NSF) RAISE program (Grant No. A007231601, JS).
    Publisher
    Elsevier BV
    Journal
    Journal of Crystal Growth
    DOI
    10.1016/j.jcrysgro.2020.125738
    Additional Links
    https://linkinghub.elsevier.com/retrieve/pii/S002202482030261X
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.jcrysgro.2020.125738
    Scopus Count
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