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Local Structure of Niobate-Phosphate Glass Using Eu3+ Ion Fluorescence |
| XIA Hai-Ping1;SONG Hong-Wei2;WANG Ji-Wei1;ZHANG Jian-Li1;WANG Jin-Hao1;ZHANG Jia-Hua2;NIE Qiu-Hua1;XU Tie-Feng1 |
| 1Laboratory of Photo-electronic Materials, Ningbo Unversity, Ningbo 315211
2Key Laboratory of Excited-State Physics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130021 |
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| Cite this article: |
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XIA Hai-Ping, SONG Hong-Wei, WANG Ji-Wei et al 2003 Chin. Phys. Lett. 20 571-574 |
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Abstract The niobate phosphate glasses containing Eu3+ ions were fabricated by the melting method. The fluorescence characteristics of the glass at temperatures from 77 K to 700 K were investigated under the excitation of 488 nm light. The results show that the fluorescence intensity of Eu3+ ions first increases and then decreases as temperature increases. The temperature-dependent parameters of the crystal fields and the local structure surrounding Eu3+ ions were investigated and discussed from the situation of splitting energy level of 5D0-7F1. The results indicate that the distance of europium and oxygen become shorter with the increase of temperature and the coordination number of Eu3+ ion is near 8, which does not change with temperature.
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| Keywords:
78.55.Hx
81.05.Kf
42.70.Hj
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Published: 01 April 2003
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| PACS: |
78.55.Hx
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(Other solid inorganic materials)
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81.05.Kf
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(Glasses (including metallic glasses))
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42.70.Hj
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(Laser materials)
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