The luminescence of Cu(I) in strontium tetraborate

The luminescence of Cu(I) in crystalline and glassy SrB 4O 7 is reported and discussed. In the former there is a narrow band emission around 380 nm, in the latter a broad band emission around 450 nm. In the crystal the Stokes shift is small, but in the glass it is larger. For the glass as well as fo...

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Bibliographic Details
Published in:Journal of solid state chemistry 1991-06, Vol.92 (2), p.531-536
Main Authors: Verwey, J.W.M., Coronado, J.M., Blasse, G.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Other luminescence and radiative recombination
Physics
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Summary:The luminescence of Cu(I) in crystalline and glassy SrB 4O 7 is reported and discussed. In the former there is a narrow band emission around 380 nm, in the latter a broad band emission around 450 nm. In the crystal the Stokes shift is small, but in the glass it is larger. For the glass as well as for the crystalline material the luminescence efficiency is high at room temperature and below. These properties are discussed and the differences between the crystalline and the glass modification of SrB 4O 7:Cu(I) are considered.
ISSN:0022-4596
1095-726X
DOI:10.1016/0022-4596(91)90359-P