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Ho^(3+)∶La_2CaB_(10)O_(19)晶体生长和光谱性能(英文) 被引量：1

Growth and Spectral Properties of Ho^(3+)∶La_2CaB_(10)O_(19) Crystals
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摘要 采用顶部籽晶法生长Ho3+∶La2CaB10O19晶体。测试了晶体的X射线衍射谱图以及晶体器件的摇摆曲线,半峰宽为21.6 arcsec,晶体结晶质量良好。在室温下测试了吸收光谱、发射光谱和荧光寿命。应用Judd-Ofelt理论评价了Ho3+∶La2CaB10O19晶体的光谱性能。分别计算了Ho3+的唯象强度、谱线强度、辐射寿命、荧光分支比等参数。 Ho^3＋ doped La2CaB10O19 crystals have been grown by top-seeded solution growth（TSSG） method.The structure of the crystal was studied by X-ray powder diffraction（XRPD）.The rocking curve measurement showed that the FWHM is 21.6 arcsec,indicating a high crystalline perfection.The absorption and fluorescence spectra were measured at room temperature.The Judd-Ofelt theory was applied to the evaluation of its spectral properties.The J-O parameters（Ωt,t=2,4,6）,the radiative transition probabilities AJ,J＇,radiative lifetime τ,fluorescence branch ratios βJand the value of integrated emission cross section were also been calculated.
作者 祖延雷 张建秀 傅佩珍 吴以成
机构地区 中国科学院理化技术研究所北京人工晶体研究发展中心 中国科学院研究生院
出处 《人工晶体学报》 EI CAS CSCD 北大核心 2010年第5期1099-1103,共5页 Journal of Synthetic Crystals
基金 Project supported by the National Natural Science Foundation of China(No.50590402)
关键词 Ho^3+∶La2CaB10O19晶体 晶体生长 光谱性能 顶部籽晶法 Ho^3＋∶La2CaB10O19 crystal crystal growth spectroscopic properties TSSG
分类号 O78 [理学—晶体学]
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参考文献19

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人工晶体学报
2010年 第5期

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