Persistent photoconductivity in InxAlyGa1-x-yN quaternary alloys

C. H. Chen, D. R. Hang, W. H. Chen, Y. F. Chen, H. X. Jiang, J. Y. Lin

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The persistent photoconductivity (PPC) effect in InxAlyGa1-x-yN quaternary alloys was reported. It was shown that the PPC effect was investigated with focus on its decay kinetics at different temperature. A comparision between the photoluminescence (PL), photoluminescence excitation (PLE) and photoconductivity (PC) measurements gave a direct access to the Stokes' shift. The results showed that studying PL, PLE and PC measurements, the potential fluctuations in quaternary alloys arose from the existence of InGaN-like clusters.

Original languageEnglish
Pages (from-to)1884-1886
Number of pages3
JournalApplied Physics Letters
Issue number12
StatePublished - Mar 24 2003


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