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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
  • University of Surrey
  • University of Southampton
  • University of Cambridge
  • Toyota Technological Institute
  • University of Pardubice

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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