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Effect of melting atmospheres on the optical property of radiation-hard fluorophosphate glass
Ma, Yuan1,2; Su, Haiqin1,3; Zhang, Zhijun1; Wan, Rui1,2; Li, Shengwu1,2; Peng, Bo1,2; Wang, Pengfei1,2
Source PublicationCeramics International
Contribution Rank1

High-energy radiation in space and nuclear irradiation environment induces colour centres in optical glass, causing solarisation, and a serious condition can render optical systems and optical loads unusable. To develop space radiation-resistant optical glass, CeO2-stabilised radiation-hard fluorophosphate glass was prepared under three different atmospheres (nitrogen, oxygen, and ambient air). The glass-melting atmospheres' effects on the glass's transmission, defect formation, and structural changes before and after exposure to gamma radiation were investigated by a comprehensive study on their transmittance, absorption, and electron paramagnetic resonance spectra. Introducing a small amount of CeO2 (0.34 wt%) into the fluorophosphate base glass converted NBO and BO into ABO in the glass network, red-shifted the UV absorption edge, and decreased the optical density increment by almost half after radiation. As the total dose of gamma radiation increased, the transmittance of the irradiated glass at a wavelength of 385 nm significantly increased due to absorption of POHC2 defects. After exposure to 250 k of rad gamma irradiation, the corresponding optical density increment per centimeter thickness at 385 nm of the radiation-hard fluorophosphate glass that melted in the nitrogen, oxygen, and air atmospheres decreased from 1.839 to 1.388 and 1.215. As it melted in air, the NBO ratio of the fluorophosphate glass reached the lowest level and the Ce4+ ratio in the glass was 92.49%, which helped suppress the generation of POHC, Fe3+, PO4-EC, and PO3-EC defects during the gamma irradiation process, improving the glass's radiation resistance. © 2021 Elsevier Ltd and Techna Group S.r.l.

KeywordFluorophosphate glass Radiation resistance Glass melting atmosphere Defects
Indexed BySCI ; EI
WOS IDWOS:000675523800003
PublisherElsevier Ltd
EI Accession Number20211810306677
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorWang, Pengfei
Affiliation1.Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences (CAS), Xi'an; 710119, China;
2.Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing; 100049, China;
3.School of Physics & Information Technology, Shaanxi Normal University, Xi'an; 710000, China
Recommended Citation
GB/T 7714
Ma, Yuan,Su, Haiqin,Zhang, Zhijun,et al. Effect of melting atmospheres on the optical property of radiation-hard fluorophosphate glass[J]. Ceramics International,2021,47(16):22468-22477.
APA Ma, Yuan.,Su, Haiqin.,Zhang, Zhijun.,Wan, Rui.,Li, Shengwu.,...&Wang, Pengfei.(2021).Effect of melting atmospheres on the optical property of radiation-hard fluorophosphate glass.Ceramics International,47(16),22468-22477.
MLA Ma, Yuan,et al."Effect of melting atmospheres on the optical property of radiation-hard fluorophosphate glass".Ceramics International 47.16(2021):22468-22477.
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