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Volume 34 Issue 3
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Article Navigation >  Nuclear Physics Review  > 2017  >  34(3): 641-645

SUN Mengli, LIU Fengfei, DU Xin, YUAN Wei, LV Peng, ZHAO Yan, ZHANG Bingtao, Zhang Xiaoyang, CHEN Liang, WANG Tieshan, PENG Haibo. Study on Absorption Spectra of Borosilicate Glasses Irradiated with γ Rays[J]. Nuclear Physics Review, 2017, 34(3): 641-645. doi: 10.11804/NuclPhysRev.34.03.641
Citation: SUN Mengli, LIU Fengfei, DU Xin, YUAN Wei, LV Peng, ZHAO Yan, ZHANG Bingtao, Zhang Xiaoyang, CHEN Liang, WANG Tieshan, PENG Haibo. Study on Absorption Spectra of Borosilicate Glasses Irradiated with γ Rays[J]. Nuclear Physics Review, 2017, 34(3): 641-645. doi: 10.11804/NuclPhysRev.34.03.641
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Study on Absorption Spectra of Borosilicate Glasses Irradiated with γ Rays

doi: 10.11804/NuclPhysRev.34.03.641

  • School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000

Funds:  National Natural Science Foundation of China(11505085, 11505084)
More Information
  • Corresponding author: 10.11804/NuclPhysRev.34.03.641
  • Received Date: 2016-11-20
  • Rev Recd Date: 2017-04-25
  • Publish Date: 2017-07-18
  • Vitrification is one kind of silicates which is used for immobilization of high-level waste (HLW). As the first engineered barrier of HLW disposition, its anti-irradiation characteristic is particularly noticeable. Vitrification is replaced by borosilicate glass to investigate radiation effect, and the irradiation damage generated by natural radioactivity in vitrification is simulated by different doses gamma rays on borosilicate glass. By measuring and analyzing the absorption spectrum of irradiated borosilicate glasses, it is confirmed that E'defect, non-bridging oxygen hole center, peroxy dangling bond and bridge oxygen link, etc. are induced in borosilicate glass after irradiation. Furthermore, the relations between the defects and absorbed doses are shown. For the concentrations of these defects induced by irradiation, all of them increase with absorbed dose. Meanwhile, absorption band gap in borosilicate glass after irradiation decreases with absorbed dose and the band gap becomes saturated when absorbed dose is equal to or greater than 105 Gy.
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Study on Absorption Spectra of Borosilicate Glasses Irradiated with γ Rays

doi: 10.11804/NuclPhysRev.34.03.641
  • School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000
Funds:  National Natural Science Foundation of China(11505085, 11505084)
    Corresponding author: 10.11804/NuclPhysRev.34.03.641
  • Received Date: 2016-11-20
  • Rev Recd Date: 2017-04-25
  • Publish Date: 2017-07-18

Abstract: Vitrification is one kind of silicates which is used for immobilization of high-level waste (HLW). As the first engineered barrier of HLW disposition, its anti-irradiation characteristic is particularly noticeable. Vitrification is replaced by borosilicate glass to investigate radiation effect, and the irradiation damage generated by natural radioactivity in vitrification is simulated by different doses gamma rays on borosilicate glass. By measuring and analyzing the absorption spectrum of irradiated borosilicate glasses, it is confirmed that E'defect, non-bridging oxygen hole center, peroxy dangling bond and bridge oxygen link, etc. are induced in borosilicate glass after irradiation. Furthermore, the relations between the defects and absorbed doses are shown. For the concentrations of these defects induced by irradiation, all of them increase with absorbed dose. Meanwhile, absorption band gap in borosilicate glass after irradiation decreases with absorbed dose and the band gap becomes saturated when absorbed dose is equal to or greater than 105 Gy.

SUN Mengli, LIU Fengfei, DU Xin, YUAN Wei, LV Peng, ZHAO Yan, ZHANG Bingtao, Zhang Xiaoyang, CHEN Liang, WANG Tieshan, PENG Haibo. Study on Absorption Spectra of Borosilicate Glasses Irradiated with γ Rays[J]. Nuclear Physics Review, 2017, 34(3): 641-645. doi: 10.11804/NuclPhysRev.34.03.641
Citation: SUN Mengli, LIU Fengfei, DU Xin, YUAN Wei, LV Peng, ZHAO Yan, ZHANG Bingtao, Zhang Xiaoyang, CHEN Liang, WANG Tieshan, PENG Haibo. Study on Absorption Spectra of Borosilicate Glasses Irradiated with γ Rays[J]. Nuclear Physics Review, 2017, 34(3): 641-645. doi: 10.11804/NuclPhysRev.34.03.641
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