Spectroscopic properties and near-infrared broadband luminescence of Bi-doped SrB4O7 glasses and crystalline materials
Spectroscopic properties of Bi-doped SrB_4O_7 glasses, sintered compounds,
polycrystalline materials, and single crystals were investigated. Broadband near-infrared
luminescence was realized in Bi-doped SrB_4O_7 glasses with basicity and polycrystalline
materials with non-bridging oxygens. In Bi: SrB_4O_7 single crystals, only visible
luminescence of Bi^ 3+ and Bi^ 2+ was observed, but no near-infrared. The rigid three-
dimensional network of SrB_4O_7 crystal is proved to be unfavorable for accommodation of …
polycrystalline materials, and single crystals were investigated. Broadband near-infrared
luminescence was realized in Bi-doped SrB_4O_7 glasses with basicity and polycrystalline
materials with non-bridging oxygens. In Bi: SrB_4O_7 single crystals, only visible
luminescence of Bi^ 3+ and Bi^ 2+ was observed, but no near-infrared. The rigid three-
dimensional network of SrB_4O_7 crystal is proved to be unfavorable for accommodation of …
Spectroscopic properties of Bi-doped SrB_4O_7 glasses, sintered compounds, polycrystalline materials, and single crystals were investigated. Broadband near-infrared luminescence was realized in Bi-doped SrB_4O_7 glasses with basicity and polycrystalline materials with non-bridging oxygens. In Bi:SrB_4O_7 single crystals, only visible luminescence of Bi^3+ and Bi^2+ was observed, but no near-infrared. The rigid three-dimensional network of SrB_4O_7 crystal is proved to be unfavorable for accommodation of Bi^+ ions.
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