WANG Xin-xin, HUANG Li-hui, ZHAO Shi-long etc. Luminescence Properties of Tb<sup>3+</sup> Doped High Density Germanate Scintillating Glasses[J]. Chinese Journal of Luminescence, 2018,39(2): 115-120
WANG Xin-xin, HUANG Li-hui, ZHAO Shi-long etc. Luminescence Properties of Tb<sup>3+</sup> Doped High Density Germanate Scintillating Glasses[J]. Chinese Journal of Luminescence, 2018,39(2): 115-120 DOI: 10.3788/fgxb20183902.0115.
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
2
O
3
and Gd
2
O
3
contents ensure germanate glass density approach to 6.4 g/cm
3
. 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
3+
doped high density germanate glass is a scintillating material candidate used in X-ray detector for slow event.
关键词
高密度Tb3+闪烁玻璃发光性质
Keywords
high densityTb3+scintillating glassesluminescence properties
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