Spectroscopic Properties of Pr<SUP>3+</SUP> Doped Transparent Oxyfluoride Glass Ceramic

WANG Ying-ying; NI Zhen-hua; WANG Xiao-jun; ZHANG Jia-hua; SHEN Ze-xiang

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Spectroscopic Properties of Pr³⁺ Doped Transparent Oxyfluoride Glass Ceramic

paper | 更新时间：2020-08-12

- Spectroscopic Properties of Pr³⁺ Doped Transparent Oxyfluoride Glass Ceramic
- Chinese Journal of Luminescence Vol. 30, Issue 2, Pages: 135-141(2009)
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所激发态物理重点实验室,吉林长春,130022
  2. 中国科学院研究生院北京,100049
  3. 新加坡国立大学物理系新加坡,117542
  4. 南乔治亚大学物理系, 乔治亚州,美国,30460
  5. 南洋理工大学数学物理学院物理系新加坡,637371
- 作者简介：
- 基金信息：
- DOI：
  CLC： O482.31
- Published：30 April 2009，
  
  Published Online：30 April 2009，
  
  Received：25 August 2008，
  
  Revised：2 January 1900，
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WANG Ying-ying, NI Zhen-hua, WANG Xiao-jun, et al. Spectroscopic Properties of Pr³⁺ Doped Transparent Oxyfluoride Glass Ceramic. [J]. Chinese Journal of Luminescence 30(2):135-141(2009)
DOI：

WANG Ying-ying, NI Zhen-hua, WANG Xiao-jun, et al. Spectroscopic Properties of Pr³⁺ Doped Transparent Oxyfluoride Glass Ceramic. [J]. Chinese Journal of Luminescence 30(2):135-141(2009) DOI：

摘要

用不同的激发波长532

514.5

476.5 nm

研究稀土Pr

掺杂的透明氟氧化物玻璃陶瓷中Pr

在LaF

微晶环境和玻璃环境中的不同的荧光行为。对于微晶中的Pr

离子

当用532 nm 和514.5 nm激发玻璃陶瓷时

观察到从

能级到

能级的发射

和

能级到基态

能级

能级到

能级的发射。我们认为微晶中Pr

离子的

能级上的电子布局是依靠电声子耦合-多声子辅助来实现的。为了进行比较

用476.5 nm 共振激发玻璃及微晶中Pr

离子的

能级

观察到

能级到很多低能级如:

、

的跃迁。而当在532 nm 和514.5 nm 非选择激发时

只有

能级到

能级的发射存在。我们认为这是由于不同的激光波长选择激发了不同环境中的Pr

离子

532 nm 和514.5 nm 激发线选择激发了电声子耦合环境强中Pr

离子。不同Pr

离子掺杂摩尔分数分别为0.005%

0.05%

0.5%的发射光谱的研究还表明

这些电声子耦合环境强中的Pr

离子浓度很高

很容易发生浓度猝灭现象。最后

用拉曼光谱研究了这类玻璃陶瓷的结晶性为和振动特性。

Abstract

In this paper

we reported the spectroscopic properties of praseodymium ions (Pr

) doped transparent oxyfluoride glass ceramic excited with different laser lines

such as 532

514.5 and 476.5 nm. and the spectroscopic features of Pr

ions in LaF

nanocrystals (NCs) and in oxide glass were presented. It was found that the population on

state of Pr

ion in NCs and in glass can be achieved by multi-phonon assistance process when excited by 514.5 nm laser lines. As a comparison

476.5 nm laser line which is mainly resonant with the

transition of Pr

ions in NCs is used as the excitation source

transitions from

state to many lower states

such as

manifolds were observed and it showed significant difference from those excited by 532 nm and 514.5 nm laser lines in which only transition from

exists. We attribute those different spectroscopic features as selectively excitation of Pr

ions in different environments where exist strong/weak electron-phonon coupling in the

states of Pr

ion in NCs and in glass. Crystallization behavior and vibrational properties of transparent glass ceramic were also stu-died by Raman spectroscopy excited by 532 nm and 514.5 nm laser lines.

关键词

透明氟氧化物玻璃陶瓷镨离子纳米晶

Keywords

transparent oxyfluoride glass ceramicpraseodymiumnanocrystals

references

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⁰

Spectroscopic Properties of Pr3+ Doped Transparent Oxyfluoride Glass Ceramic

DOI：

摘要

Abstract

关键词

Keywords

references

Spectroscopic Properties of Pr³⁺ Doped Transparent Oxyfluoride Glass Ceramic