Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Synthesis and characterization of Cr4+-doped Ca2GeO4 tunable crystal | |
Li, C.; J. L. Xu; W. Liu; D. Y. Zheng; S. L. Zhang; Y. Zhang; H. Lin; L. Liu; J. H. Liu and F. M. Zeng | |
2015 | |
发表期刊 | Journal of Alloys and Compounds |
卷号 | 636页码:211-215 |
摘要 | The growth, structure and spectral properties of a Cr4+:Ca2GeO4 single crystal have been reported in this paper. XPS analysis demonstrated that the chromium in the single crystal is tetravalent; this is further confirmed by fluorescence spectroscopy. The near-infrared, visible absorption and near-infrared luminescence spectrum of the Cr4+:Ca2GeO4 crystal are presented in this paper. In the absorption spectra, the transitions from the (3)A(2) ground state to the three orbital components of the T-3(1) and T-3(2) excited state are observed. The range of the fluorescence spectroscopy band of the Cr4+:Ca2GeO4 crystal at room temperature is from 1000 nm to 1600 nm. The single band with a maximum peak at 1317 nm at room temperature is attributed to the T-3(2) -> (3)A(2) transition of the Cr4+ ions. The FWHM of the fluorescence spectrum is 201.19 nm, and the fluorescence lifetime and emission cross section are up to 12 mu s and 4.61 x 10(-19) cm(2), respectively. (C) 2015 Elsevier B.V. All rights reserved. |
收录类别 | SCI ; EI |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/55315 |
专题 | 中科院长春光机所知识产出 |
推荐引用方式 GB/T 7714 | Li, C.,J. L. Xu,W. Liu,et al. Synthesis and characterization of Cr4+-doped Ca2GeO4 tunable crystal[J]. Journal of Alloys and Compounds,2015,636:211-215. |
APA | Li, C..,J. L. Xu.,W. Liu.,D. Y. Zheng.,S. L. Zhang.,...&J. H. Liu and F. M. Zeng.(2015).Synthesis and characterization of Cr4+-doped Ca2GeO4 tunable crystal.Journal of Alloys and Compounds,636,211-215. |
MLA | Li, C.,et al."Synthesis and characterization of Cr4+-doped Ca2GeO4 tunable crystal".Journal of Alloys and Compounds 636(2015):211-215. |
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