Pr:Ca_(1-x)R_xF_(2+x) (R=Y or Gd) crystals: Modulated blue, orange and red emission spectra with the proportion of R~(3+) ions

Yu Hao; Qian Xiaobo; Guo Linyang; Jiang Dapeng; Wu Qinghui; Tang Fei; Su Liangbi; Ju Qiangwen; Wang Jingya; Xu Jun

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Pr:Ca_(1-x)R_xF_(2+x) (R=Y or Gd) crystals: Modulated blue, orange and red emission spectra with the proportion of R~(3+) ions

机译：Pr：Ca_（1-x）R_xF_（2 + x）（R = Y或Gd）晶体：具有R〜（3+）离子比例的调制的蓝色，橙色和红色发射光谱

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The spectroscopic properties of 0.6at.%:Pr:Ca1-xRxF2+x (R = Y, Gd; x = 0,0.006, 0.012, 0.03, 0.06) crystals were investigated and compared. The XRD tests were conducted and the cell dimensions of the crystals were calculated. Room temperature absorption spectra have been registered and analyzed, The emission spectra and decay curves of the crystals were obtained at room temperature. Increasing the proportion of the lattice regulators of Y3+ or Gd3+ ions could significantly enhance the luminescence intensity of all visible emission bands with different ratios. Particularly, the emission intensity ratio of orange to red increased from 0.15 to 1.9 in Pr:Ca1-xYxF2+x crystals and to 1.02 in Pr:Ca1-xGdxF2+x crystals, respectively. Furthermore, Pr:Ca1-xGdxF2+x crystals have substantially strong emission at orange and red region of 580 -660 nm, comparable with blue light at 482 nm. The quantum efficiency of the crystals increased rapidly with the increment of R3+ concentration, and finally tend to be 100%. (C) 2018 Elsevier B.V. All rights reserved.

机译：研究并比较了0.6at。％：Pr：Ca1-xRxF2 + x（R = Y，Gd; x = 0,0.006，0.012，0.03，0.06）晶体的光谱性质。进行了XRD测试并计算了晶体的晶胞尺寸。记录并分析了室温下的吸收光谱，在室温下获得了晶体的发射光谱和衰减曲线。增加Y3 +或Gd3 +离子的晶格调节剂的比例可以显着提高所有不同比例的可见光发射带的发光强度。特别地，橙色与红色的发射强度比在Pr：Ca1-xYxF2 + x晶体中分别从0.15增加到1.9，在Pr：Ca1-xGdxF2 + x晶体中分别增加到1.02。此外，Pr：Ca1-xGdxF2 + x晶体在580 -660 nm的橙色和红色区域具有基本强的发射，与482 nm的蓝光相当。随着R3 +浓度的增加，晶体的量子效率迅速提高，最终趋于100％。（C）2018 Elsevier B.V.保留所有权利。

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来源
《Optical Materials》 |2018年第4期|88-93|共6页
作者
Yu Hao; Qian Xiaobo; Guo Linyang; Jiang Dapeng; Wu Qinghui; Tang Fei; Su Liangbi; Ju Qiangwen; Wang Jingya; Xu Jun;
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作者单位

Chinese Acad Sci Synthet Single Crystal Res Ctr CAS Key Lab Transparent & Optofunct Inorgan Mat Shanghai Inst Ceram 588 Heshuo Rd Shanghai 201899 Peoples R China;

Changchun Univ Sci & Technol State Key Lab High Power Semicond Lasers 7989 Weixing Rd Changchun 130022 Jilin Peoples R China;

Tongji Univ Sch Phys Sci & Engn Inst Adv Study Shanghai 200092 Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Pr; Y(Gd):CaF2 single crystals; Modulated spectral properties; Visible luminescence;

机译：Pr;Y（Gd）：CaF2单晶;调制光谱特性;可见光;

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1. Pr:Ca_(1-x)R_xF_(2+x) (R=Y or Gd) crystals: Modulated blue, orange and red emission spectra with the proportion of R~(3+) ions [J] . Yu Hao, Qian Xiaobo, Guo Linyang, Optical Materials . 2018,第Apra期

机译：Pr：Ca_（1-x）R_xF_（2 + x）（R = Y或Gd）晶体：具有R〜（3+）离子比例的调制的蓝色，橙色和红色发射光谱
2. The Ba_(1-x)R_xF_(2+x) (R = Gd-Lu) Phases with the Distorted Fluorite Structure as Products of Crystallization of Incongruent Melts in BaF_2-RF_3 Systems. II. Crystal Structures of Two New Forms of Ba_(1-x)Yb_xF_(2+x) Fluorite Phases and Some Feature [J] . B. A. Maksimov, Yu. B. Gubina, E. L. Belokoneva, Crystallography reports . 2002,第3期

机译：Ba_（1-x）R_xF_（2 + x）（R = Gd-Lu）相，萤石结构扭曲，是BaF_2-RF_3系统中不相容熔体结晶的产物。二。 Ba_（1-x）Yb_xF_（2 + x）萤石相的两种新形式的晶体结构及某些特征
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4. Modulated visible spectra properties of Pr:Ca_(1-x)R_xF_(2+x)(R=Y, La, Gd) crystals [C] . Hao Yu, Xiaobo Qian, Qinghui Wu, Conference on Applied Optics and Photonics China . 2017

机译：Pr：ca_（1-x）r_xf_（2 + x）（r = y，la，gd）晶体的调制频谱属性
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Pr:Ca_(1-x)R_xF_(2+x) (R=Y or Gd) crystals: Modulated blue, orange and red emission spectra with the proportion of R~(3+) ions

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