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1. 南京工业大学 材料科学与工程学院, 江苏 南京 210009
2. 南京工业大学 电光源材料研究所, 江苏 南京 210005
收稿:2008-08-25,
修回:1900-1-2,
网络首发:2009-04-30,
纸质出版:2009-04-30
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印 琰, 唐永波, 张宝平, 等. BaMgAl10O17 : Eu2+发射光谱的谱峰形状[J]. 发光学报, 2009,30(2):131-134.
YIN Yan, TANG Yong-bo, ZHANG Bao-ping, et al. The Lineshape of Emission Spectra on BaMgAl10O17 : Eu2+ Phosphor[J]. Chinese Journal of Luminescence, 2009, 30(2): 131-134.
BaMgAl
10
O
17
: Eu
2+
(BAM)是三基色荧光灯和等离子显示用荧光粉中的蓝色组分。用晶格弛豫和多声子跃迁理论研究了BAM发射光谱的谱峰分布。结果表明可以用三个高斯函数很好地拟合BAM的宽带发射。BAM的宽带发射可能由分布在BaMgAl
10
O
17
晶格中三个不同位置的Eu
2+
的能级跃迁构成。三个Eu的发光中心分别是Beevers-Ross位和anti-Beevers-Ross 位
第三个Eu
2+
的发光中心可能是位于尖晶石基块中的mid-oxygen(m
o
)位。
paper
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. Valerie Pike, Samuel Patraw, Anthony, et al. Defect chemistry and VUV optical properties of the BaMgAl10O17 : Eu2+-Ba0.75Al11O17.25 : Eu2+ solid solution [J]. J. Solid State Chem., 2003, 173 (2):359-366.
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