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

Mark A. Hughes, Russell M. Gwilliam, Kevin 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

21 Scopus citations

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
StatePublished - 8 Apr 2013

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