| 光谱学与光谱分析 |
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| Electronic Spectra and Energy Levels Analysis of Ho3+ in Cs2NaYF6 |
| ZHOU Xian-ju1, REN Chong-dan1, LUO Bin1，FENG Qiao-chun2 |
1. College of Mathematics and Physics, Chongqing University of Posts and Telecommunication，Chongqing 400065, China
2. Chongqing Yapai Bridge Engineering Quality Testing Co. Ltd., Chongqing 400065, China |
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Abstract The electronic spectra and energy levels of Ho3+ in Cs2NaYF6 were studied on basis of rare earth (RE) spectrum, quantum mechanics and crystal field theory. Detailed analysis on electronic absorption spectra at temperatures down to 10 K in the range of 4 600-24 000 cm-1 was carried out. The transitions, with zero phonon lines (ZPL) and abundant vibronic sidebands, from ground states to different excited states such as 5IJ(J=7,6,5,4),5FS(S=5,4,3),5GP(P=6,5) and 3K8 were clearly observed. All the transitions have been assigned and 50 experimental crystal field levels have been obtained. The dataset has been investigated by standard f-shell program, which gave out the calculated energy levels and the corresponding empirical Hamiltonian parameters. The comparison of the energy levels and Hamiltonian parameters was made with that of Cs2NaYCl6∶Ho3+ as well.
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Received: 2009-05-10
Accepted: 2009-08-20
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Corresponding Authors:
ZHOU Xian-ju
E-mail: zhouxj@cqupt.edu.cn; fengqch001@126.com
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