The optical and electrical properties in Nd3+ doped lead tungstate single crystals
2007
Huang, Yanlin | Seo, Hyo Jin | Zhu, Wenliang
The influence of Nd³⁺ doping with different concentration on the luminescence properties of PbWO₄ single crystals were investigated by means of the thermo-luminescence, X-ray excited luminescence and photoluminescence spectra. Nd³⁺ doping has almost the same doping effects as that of La³⁺ doping in PbWO₄. The doping mechanism of Nd³⁺ was briefly discussed. Dielectric loss spectroscopy and conductibility were measured when the PbWO₄:Nd³⁺ single crystals were sequentially annealed in air atmosphere from 100 °C to 1000 °C. The heavily Nd³⁺-doped PbWO₄ present a larger conductivity at the high temperature with low activation energy.
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