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2005 | 107 | 3 | 507-518
Article title

Growth and Optical Properties of Li_2B_4O_7 Single Crystals Pure and Doped with Yb, Co and Mn Ions for Nonlinear Applications

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Abstracts
EN
The paper reports on the growth conditions of Li_2B_4O_7 single crystals in both pure and Yb, Co, Mn doped systems. The crystals were grown by the Czochralski method using an intentional concentration of the above-mentioned ions at a level of 0.5 mol.%. The pure and Mn-doped crystals were found to be highly transparent and clear. The crystals doped with Yb_2O_3 had a lot of precipitations making them opaque. The Co-doped crystals were purple-blue in colour and highly transparent. The growth of Yb and Co doped Li_2B_4O_7 crystals was reported for the first time in this paper. Absorption was measured in the range of 200 to 3200 nm, moreover analysis of changes in the absorption spectrum ofγ-irradiated pure and doped Li_2B_4O_7 crystals was performed. Some thermoluminescence properties were measured, e.g. energies and lifetimes of the traps of different charge carriers occurring in the crystals at low temperatures.
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Contributors
author
  • Institute of Physics, Technical University of Szczecin, 48 Piastów Str., 70-310 Szczecin, Poland
author
  • Institute of Physics, Technical University of Szczecin, 48 Piastów Str., 70-310 Szczecin, Poland
author
  • Institute of Physics, N. Copernicus University, 5 Grudziądzka Str., 87-100 Toruń, Poland
author
  • Institute of Physics, Technical University of Szczecin, 48 Piastów Str., 70-310 Szczecin, Poland
  • Institute of Physics, Technical University of Szczecin, 48 Piastów Str., 70-310 Szczecin, Poland
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv107n307kz
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