Boris Burakov , Maria Zamoryanskaya , Anton Antonov , Evgeniy Vasiliev , Maria Yagovkina
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引用次数: 0
摘要
通过通量法，首次生长出同时掺杂 Eu 和 V 的锆石 ZrSiO4 晶体。与只掺杂 Eu3+ 的锆石相比，同时使用（Eu + V）可提高 Eu3+ 在锆石晶格中的掺入量，并相应提高紫外光（220 纳米和 365 纳米）下的发光强度。利用光学和扫描电子显微镜、电子探针显微分析、阴极发光成像和光谱学，观察和研究了钒的不规则分布以及晶体基质某些区域出现的蓝色。建议进一步研究锆石晶格中钒的价态，并对合成条件进行可能的改进，以避免形成抑制发光的蓝色。
Single crystal zircon doped with europium and vanadium simultaneously in order to support intensive luminescence under UV-light
Crystals of zircon, ZrSiO4, doped with Eu and V simultaneously have been grown for the first time by the flux method. The use of both (Eu + V) has supported higher Eu3+ incorporation into zircon lattice and respective increase of luminescence intensity under UV-light (220 and 365 nm) in comparison with zircon doped with Eu3+ only. The irregular distribution of vanadium and appearance of blue color in some zones of crystal matrix have been observed and studied using optical and scanning electron microscopy, electron probe microanalysis, cathodoluminescence imaging and spectroscopy. Further research is proposed on study of valence states of vanadium in zircon lattice and possible improvement of synthesis conditions in order to avoid formation of blue color suppressing the luminescence.
期刊介绍：
Covering major developments in the field of solid state chemistry and related areas such as ceramics and amorphous materials, the Journal of Solid State Chemistry features studies of chemical, structural, thermodynamic, electronic, magnetic, and optical properties and processes in solids.
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