两种方法合成La1−xEuxVO4固溶体的发光比较研究

O. Chukova, S. Nedilko, V. Scherbatskii, S. Nedilko, T. Voytenko
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引用次数: 0

摘要

研究了La1−xEuxVO4系列固溶体的发光特性。采用固相法和共沉淀法合成了样品。研究样品的发光光谱由基体发射的弱宽非结构带和杂质Eu3+离子内部f-f电子跃迁引起的窄谱线组成。研究了发光结构、发光峰位置和发光强度与样品组成、样品温度和激发波长的关系。考虑了两种不同方法得到的系列样品的发光特性差异。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Comparable luminescence investigation of the La1−xEuxVO4 solid solutions synthesized by two different methods
Luminescence properties of the series of the La1−xEuxVO4 solid solutions were investigated. The samples were synthesized by the solid state and co-precipitation methods. Luminescence spectra of the investigated samples consist of weak wide non-structural band of the matrix emission and narrow spectral lines caused by inner f-f electron transitions in the impurity Eu3+ ions. Dependences of the structure, peak positions and intensity of luminescence on the composition, samples temperature and excitation wavelengths were studied. Differences between luminescence characteristics of series of samples obtained by two different methods are considered.
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