Correlating composition and luminescence in AlInGaN epilayers

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Edwards, Paul and Martin, R.W. and Bejtka, K. and O'Donnell, K.P. and Fernandez-Garrido, S. and Calleja, E. (2009) Correlating composition and luminescence in AlInGaN epilayers. Superlattices and Microstructures, 45 (4-5). pp. 151-155. (https://doi.org/10.1016/j.spmi.2008.10.014)

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Abstract

Epilayers of the quaternary alloy AlxInyGa1−x−yN have been grown on GaN/sapphire templates by plasma-assisted molecular beam epitaxy. The emission properties and elemental compositions of these samples were evaluated simultaneously and intercorrelated by combining hyperspectral cathodoluminescence imaging and wavelength-dispersive X-ray mapping. Use was made of inherent variations in growth temperature across a single epilayer to study the resultant effect on the different metal fractions and luminescence emission wavelength. By examining statistical correlations in this data, the interdependence of the fractions of constituent binary compounds, together with the associated changes in emission characteristics, can be clarified without the need to grow a systematic series of samples.

ORCID iDs

Edwards, Paul ORCID logoORCID: https://orcid.org/0000-0001-7671-7698, Martin, R.W. ORCID logoORCID: https://orcid.org/0000-0002-6119-764X, Bejtka, K., O'Donnell, K.P. ORCID logoORCID: https://orcid.org/0000-0003-3072-3675, Fernandez-Garrido, S. and Calleja, E.;
  • Item type:Article
    ID code:19166
    Dates:
    Date
    Event
    April 2009
    Published
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Strathprints Administrator
    Date deposited:23 May 2010 12:36
    Last modified:11 Nov 2024 09:25
    URI:https://strathprints.strath.ac.uk/id/eprint/19166
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