YAlO3晶体中Pr3+的4f2能级

赖昌; 王广川

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YAlO₃晶体中Pr³⁺的4f²能级

材料合成及性能研究 | 更新时间：2020-08-12

- YAlO₃晶体中Pr³⁺的4f²能级
- The 4f ² Energy Levels of Pr³⁺ Doped YAlO₃ Crystal
- 发光学报 2011年32卷第9期页码：885-889
- 作者机构：
  
  重庆邮电大学数理学院, 重庆 400065
- 作者简介：
- 基金信息：
  
  国家自然科学基金(11111120060)();重庆市教委科研项目(KJ090520)();重庆邮电大学博士启动项目(A2008-62)资助项目()
- DOI：
  中图分类号： O482.31
- 收稿日期：2011-06-04，
  
  修回日期：2011-06-30，
  
  网络出版日期：2011-09-22，
  
  纸质出版日期：2011-09-22
- 稿件说明：
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赖昌, 王广川. YAlO3晶体中Pr3+的4f2能级[J]. 发光学报, 2011,32(9): 885-889

LAI Chang, WANG Guang-chuan. The 4f 2 Energy Levels of Pr3+ Doped YAlO3 Crystal[J]. Chinese Journal of Luminescence, 2011,32(9): 885-889
赖昌, 王广川. YAlO3晶体中Pr3+的4f2能级[J]. 发光学报, 2011,32(9): 885-889 DOI：

LAI Chang, WANG Guang-chuan. The 4f 2 Energy Levels of Pr3+ Doped YAlO3 Crystal[J]. Chinese Journal of Luminescence, 2011,32(9): 885-889 DOI：

摘要

YAlO

:Pr

是一种受到广泛关注的发光体系

本文根据文献中给出的YAlO

:Pr

晶体中Pr

的晶体场能级

从Nd

离子的晶体场参数和Pr

的准自由离子参数出发

采用f-shell计算软件包对Pr

的能级参数进行了研究

并对获得的参数进行了讨论。用拟合获得的参数计算了Pr

的4f

电子构型的所有能级。

Abstract

YAlO

:Pr

is a good candidate for various luminescent applications. The crystal field parameters and energy levels of Pr

doped YAlO

are studied via a least-square optimization of the calculated to the measured energies of the 4f

levels using the f-shell computer program. The optimization procedure requires the initial values of all the parameters appeared in the 4f

effective Hamiltonian. The initial values of the free ion parameters are taken from those of Pr

in LaF

and those of the crystal field parameters are taken from those of Nd

in YAlO

. All the 4f

energy levels of Pr

are then calculated using the parameters obtained via the optimization procedure. Comparing the crystal field parameters of Pr

to those of Nd

and Er

in YAlO

it is found that the majority of the modules of the crystal field parameters decreases with increasing nuclear charge of the rare-earth ions.

关键词

Keywords

references

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