Interstitial bismuth dimers and single atoms as possible centres of broadband near-IR luminescence in bismuth-doped glasses

Details Interstitial bismuth dimers and single atoms as possible centres of broadband near-IR luminescence in bismuth-doped glasses Interstitial bismuth dimers and single atoms as possible centres of broadband near-IR luminescence in bismuth-doped glasses

2011-01-09

arxiv.org/abs/1101.1629v1

Physics

Condensed Matter

Materials Science

14 pages, 5 figures, 1 table

Scientific paper

Absorption, luminescence and Raman spectra of interstitial bismuth atoms, $\mathrm{Bi}^{0}$, and negatively charged dimers, $\mathrm{Bi}^{2-}$, in alumosilicate, germanosilicate, phosphosilicate and phosphogermanate glasses networks are calculated by time-dependent density functional method. On grounds of this calculation an extension of our previously suggested model of broadband near-IR luminescence in bismuth-doped glasses is put forward.

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