Luminescence Properties of Tb3+ Doped High Density Germanate Scintillating Glasses

WANG Xin-xin; HUANG Li-hui; ZHAO Shi-long; XU Shi-qing

doi:10.3788/fgxb20183902.0115

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Luminescence Properties of Tb³⁺ Doped High Density Germanate Scintillating Glasses

更新时间：2020-08-12

- Luminescence Properties of Tb³⁺ Doped High Density Germanate Scintillating Glasses
- Chinese Journal of Luminescence Vol. 39, Issue 2, Pages: 115-120(2018)
- 作者机构：
  
  中国计量大学材料科学与工程学院,浙江杭州,310018
- 作者简介：
- 基金信息：
  
  Supported by National Natural Science Foundation of China (11375166,51372236)
- DOI：10.3788/fgxb20183902.0115
  CLC： O482.31
- Received：11 December 2017，
  
  Revised：31 December 2017，
  
  Published Online：13 December 2017，
  
  Published：05 February 2018
- 稿件说明：
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王欣欣, 黄立辉, 赵士龙等. Tb3+掺杂高密度锗酸盐闪烁玻璃的发光性质[J]. 发光学报, 2018,39(2): 115-120

WANG Xin-xin, HUANG Li-hui, ZHAO Shi-long etc. Luminescence Properties of Tb3+ Doped High Density Germanate Scintillating Glasses[J]. Chinese Journal of Luminescence, 2018,39(2): 115-120
王欣欣, 黄立辉, 赵士龙等. Tb3+掺杂高密度锗酸盐闪烁玻璃的发光性质[J]. 发光学报, 2018,39(2): 115-120 DOI： 10.3788/fgxb20183902.0115.

WANG Xin-xin, HUANG Li-hui, ZHAO Shi-long etc. Luminescence Properties of Tb3+ Doped High Density Germanate Scintillating Glasses[J]. Chinese Journal of Luminescence, 2018,39(2): 115-120 DOI： 10.3788/fgxb20183902.0115.

摘要

采用高温熔融法制备了Tb

掺杂高密度锗酸盐玻璃。分别测试了该玻璃的透过光谱、密度、荧光光谱、荧光寿命及X射线激发发光光谱，揭示了该玻璃的物理化学性质和发光性质。透过光谱表明该玻璃具有良好的可见光透过率。高含量的Lu

和Gd

使得玻璃的密度高达6.4 g/cm

。该玻璃在377 nm光和X射线激发下发出强的绿光。544 nm发光的荧光寿命为1.325~1.836 ms。研究结果表明，Tb

掺杂高密度锗酸盐玻璃是一种可用于慢速事件X射线探测器的候选闪烁材料。

Abstract

doped high density germanate glasses were prepared by melt-quenching method. Their physical and luminescent properties were characterized by transmittance spectra

density

photoluminescence

fluorescence lifetimes and X-ray excited luminescence spectra. The transmittance spectra show the glasses have good transmittance in the visible spectrum region. The high Lu

and Gd

contents ensure germanate glass density approach to 6.4 g/cm

. The glasses show intense green emissions under 377 nm light and X-ray excitations. The lifetimes of 544 nm emission are in the range from 1.325 ms to 1.836 ms. The results indicate that Tb

doped high density germanate glass is a scintillating material candidate used in X-ray detector for slow event.

关键词

Keywords

references

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