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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Reduction and luminescence of europium ions in glass ceramics containing SrF2 nanocrystals
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Reduction and luminescence of europium ions in glass ceramics containing SrF2 nanocrystals

机译：含SrF2纳米晶体的玻璃陶瓷中of离子的还原和发光

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摘要

Reduction of Eu3+ -> Eu2+ and luminescence of europium (Eu) ions in glass ceramics containing SrF2 nanocrystals have been investigated. The formation of SrF2 nanocrystals in glass ceramics was confirmed by Xray diffraction (XRD) and transmission electron microscopy (TEM). Blue luminescence of the Eu2+ ions was observed in the Eu doped glass ceramics which were prepared by the heat treatment of the glass in air atmosphere. The double-exponential decay curves of D-5(0) state of Eu3+ in the Eu doped glass ceramics indicated that there were two different surroundings of the Eu ions in the glass ceramics.
机译：研究了含SrF2纳米晶体的玻璃陶瓷中Eu3 +-> Eu2 +的还原和and（Eu）离子的发光。通过X射线衍射（XRD）和透射电子显微镜（TEM）证实了玻璃陶瓷中SrF2纳米晶体的形成。在通过在空气气氛中对玻璃进行热处理而制备的掺杂Eu的玻璃陶瓷中观察到Eu 2+离子的蓝色发光。 Eu掺杂的玻璃陶瓷中Eu3 +的D-5（0）状态的双指数衰减曲线表明，玻璃陶瓷中Eu离子存在两种不同的环境。

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