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

Hughes, MA, Gwilliam, RM, Homewood, K, Gholipour, B, Hewak, DW, Lee, TH, Elliott, SR, Suzuki, T, Ohishi, Y, Kohoutek, T and Curry, RJ 2013, 'On the analogy between photoluminescence and carrier-type reversal in Bi- and Pb-doped glasses' , Optics Express, 21 (7) , pp. 8101-8115.

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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.

Item Type: Article
Schools: Schools > School of Computing, Science and Engineering
Journal or Publication Title: Optics Express
Publisher: Optical Society of America
ISSN: 1094-4087
Related URLs:
Funders: Engineering and Physical Sciences Research Council (EPSRC)
Depositing User: Dr Mark Hughes
Date Deposited: 10 Nov 2015 15:19
Last Modified: 05 Apr 2016 19:37
URI: http://usir.salford.ac.uk/id/eprint/37002

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