| K2NaAlF6:Ce3+和KAlF4:Ce3+磷光体的光谱特性 |
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| 引用本文： | 张吉林,洪广言.K2NaAlF6:Ce3+和KAlF4:Ce3+磷光体的光谱特性[J].发光学报,1991,12(3):224-229. |
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| 作者姓名： | 张吉林 洪广言 |
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| 作者单位： | 1. 辽阳石油化工专科学校;2. 中国科学院长春应用化学研究所 |
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| 摘 要： | 采用高温固相反应法,在Ar气氛中,合成了K2NaAlF6和KAlF4基质化合物.分别测定了它们的结构,并计算了晶胞参数.测定了K2NaAlF6:Ce3+和KAlF4:Ce3+磷光体的激发光谱和荧光光谱,根据Ce3+的光谱结构的特点,讨论了Ce3+的取代格位.
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| 关 键 词： | K2NaAlFb KAlF4 Ce 磷光体 光谱 |
SPECTRAL PROPERTIES OF K2NaA1F8:Ce3+ AND KAlF:Ce3+ |
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| Znang Jilin,Hong Guangyan.SPECTRAL PROPERTIES OF K2NaA1F8:Ce3+ AND KAlF:Ce3+[J].Chinese Journal of Luminescence,1991,12(3):224-229. |
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| Authors: | Znang Jilin Hong Guangyan |
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| Institution: | 1. Liaoyang Petrochemical Engineering Institute, Liaoyang, Jilin;2. Changchun Institute of Applied Chemistry, Academia Sinica |
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| Abstract: | K2NaAlF6:Ce3+and KAlF4:Ce3+phosphors were synthesized by solid state reaction method at Ar atmosphere. Their structures have been determined and the structure parameters calculated. K2NaA1F6:Ce3+belongs to cubic system, space group Fm3mm, aaaaaaaa=0.8112nm. KAlF4:Ce3+belongs to tetragonal system, space group P4/mmm aaaaaaaaa=0.3556nm, c=0.6147nm. The. spectra of K2NaAlF6 =Ce3+ and KAlF:Ce3+ were.measured. According to the characteristic of spectral structure the replaced sites of Ce3+ are discussed. Probably Ce3+ ions replace M+ lattice sites. |
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