Dependence of the emission electric dipole line strength of Eu~(3+) on the composition of lead borate glasses
来源期刊：JOURNAL OF RARE EARTHS2009年第6期
论文作者：DUAN Changkui JIANG Sha LIU Ziyi JIA Guohua
Key words：electric dipole line strength; Eu~(3+); lead borate glasses; local field effect; rare earths;
Abstract: Lead borate glasses xB_2O_3+(99-x)PbO+0.5Eu_2O_3(x=70, 60…,10) were prepared by melt-quenching method. The luminescent properties were characterized with excitation and emission spectra. The emission intensities for ~5D_0-~7F_j(J=0-4) were analyzed to give varia-tion of the relative electric dipole line strengths with the composition of glasses so as to examine the crucial implicit assumption of inde-pendent electric dipole line strength on the composition of glass in the Phys. Rev. Lett. 2003, 91, 203903 paper studying local-field effect.
DUAN Changkui1，JIANG Sha1，LIU Ziyi1，JIA Guohua2
(1.College of Mathematics and Physics,Chongqing University of Post and Telecommunications,Chongqing 600065,China;
2.Department of Biology and Chemistry,City University of Hong Kong,Kowloon,Hong Kong SAR,China)
Abstract:Lead borate glasses xB_2O_3+(99-x)PbO+0.5Eu_2O_3(x=70, 60…,10) were prepared by melt-quenching method. The luminescent properties were characterized with excitation and emission spectra. The emission intensities for ~5D_0-~7F_j(J=0-4) were analyzed to give varia-tion of the relative electric dipole line strengths with the composition of glasses so as to examine the crucial implicit assumption of inde-pendent electric dipole line strength on the composition of glass in the Phys. Rev. Lett. 2003, 91, 203903 paper studying local-field effect.
Key words:electric dipole line strength; Eu~(3+); lead borate glasses; local field effect; rare earths;
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