简介概要

Energy Transfer in LaOBr:Tb,Gd

来源期刊:Journal of Rare Earths1992年第1期

论文作者:伍瑜 唐虹 诸葛星 赵文彬

文章页码:25 - 29

摘    要:<正> Energy transfer in LaOBr:Tb0.0075,Gdx(x<0.30)was investigated via excitation spectra,emissionspectra,fluorescence decay function and X-ray diffraction.Effective energy transfer from Gd to Tb was found.With excitation of λ=275nm,no Gd3+but only Tb3+emission has been observed,and the integrated intensityof Tb3+emission increases with increasing Gd content up to~5.5 times(in the sample of x=0.30)compared tothat of the sample without Gd.The existense of Gd in the sample slows down the Tb3+flourescence decay,andmost likely the electric dipole-dipole interaction dominates the energy transfer process.

详情信息展示

Energy Transfer in LaOBr:Tb,Gd

伍瑜,唐虹,诸葛星,赵文彬

摘 要:<正> Energy transfer in LaOBr:Tb0.0075,Gdx(x<0.30)was investigated via excitation spectra,emissionspectra,fluorescence decay function and X-ray diffraction.Effective energy transfer from Gd to Tb was found.With excitation of λ=275nm,no Gd3+but only Tb3+emission has been observed,and the integrated intensityof Tb3+emission increases with increasing Gd content up to~5.5 times(in the sample of x=0.30)compared tothat of the sample without Gd.The existense of Gd in the sample slows down the Tb3+flourescence decay,andmost likely the electric dipole-dipole interaction dominates the energy transfer process.

关键词:

<上一页 1 下一页 >

有色金属在线官网  |   会议  |   在线投稿  |   购买纸书  |   科技图书馆

中南大学出版社 技术支持 版权声明   电话:0731-88830515 88830516   传真:0731-88710482   Email:administrator@cnnmol.com

互联网出版许可证:(署)网出证(京)字第342号   京ICP备17050991号-6      京公网安备11010802042557号