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Reduction of Eu3+ to Eu2+ in Eu-doped high silica glass prepared in air atmosphere

✍ Scribed by Qiang Zhang; Xiaofeng Liu; Yanbo Qiao; Bin Qian; Guoping Dong; Jian Ruan; Qinling Zhou; Jianrong Qiu; Danping Chen

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
473 KB
Volume
32
Category
Article
ISSN
0925-3467

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This paper reports a new observation of the abnormal reduction of Eu 3Ψ‰ PEu 2Ψ‰ in Sr 2 B 5 O 9 Cl when prepared in air at high temperature. A model based on the nature of substitution defects is proposed to explain this abnormal reduction. Electrons, which reduced the Eu 3Ψ‰ ions, are created by the