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首页> 外文期刊>Optical Materials >Improved thermoluminescence response of terbium doped magnesium orthosilicate by co-doping with sodium ions
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Improved thermoluminescence response of terbium doped magnesium orthosilicate by co-doping with sodium ions

机译：通过与钠离子共掺杂改善了do掺杂的原硅酸镁的热致发光响应

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摘要

Magnesium orthosilicate doped with terbium (Mg2SiO4:Tb) has been reported as the most efficient thermoluminescence dosimeter material. The results of this paper indicate that further sensitivity improvements of this material are achievable by co-doping with Na+ ions. The main peak of the thermoluminescence is enhanced three times with the addition of sodium ions. The optimized concentration of Na+ is 11 mol% which is much higher than the expectation for the role of a trace element dopant. The results suggest that the addition of sodium ions may not only remove the charge unbalance problem and enhance the emission intensity, but also play an important role in defining and stabilizing the defect structures.
机译：reported掺杂的原硅酸镁（Mg2SiO4：Tb）被报道为最有效的热致发光剂量计材料。本文的结果表明，通过与Na +离子共掺杂可以进一步提高这种材料的灵敏度。通过添加钠离子，热致发光的主峰增强了三倍。 Na +的最佳浓度为11 mol％，这远远高于对微量元素掺杂剂作用的预期。结果表明，钠离子的添加​​不仅可以消除电荷不平衡的问题，提高发射强度，而且在确定和稳定缺陷结构方面也起着重要的作用。

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