On the analogy between photoluminescence and carrier-type reversal in Bi-and Pb-doped glasses

Mark A. Hughes, Russell M Gwilliam, Kevin P. Homewood, Behrad Gholipour, Daniel W. Hewak, Tae Hoon Lee, Stephen R. Elliott, Takenobu Suzuki, Yasutake Ohishi, Tomas Kohoutek, Richard J. Curry

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Reaction order in Bi-doped oxide glasses depends on the optical basicity of the glass host. Red and NIR photoluminescence (PL) bands result from Bi2+ and Bin clusters, respectively. Very similar centers are present in Bi-and Pb-doped oxide and chalcogenide glasses. Bi-implanted and Bi melt-doped chalcogenide glasses display new PL bands, indicating that new Bi centers are formed. Bi-related PL bands have been observed in glasses with very similar compositions to those in which carrier-type reversal has been observed, indicating that these phenomena are related to the same Bi centers, which we suggest are interstitial Bi2+ and Bi clusters.

    Original languageEnglish
    Pages (from-to)8101-8115
    Number of pages15
    JournalOptics Express
    Volume21
    Issue number7
    DOIs
    Publication statusPublished - 8 Apr 2013

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