Synthesis and Scintillation Properties of 12CaO&middot;7Al2O3:Ce3+ Transparent Ceramics

LYU Ling; ZHANG Meng; ZHU Han-cheng; YANG Jian; YAN Duan-ting; LIU Chun-guang; XU Chang-sh

doi:10.3788/fgxb20153610.1101

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Synthesis and Scintillation Properties of 12CaO·7Al₂O₃:Ce³⁺ Transparent Ceramics

更新时间：2020-08-12

- Synthesis and Scintillation Properties of 12CaO·7Al₂O₃:Ce³⁺ Transparent Ceramics
- Chinese Journal of Luminescence Vol. 36, Issue 10, Pages: 1101-1105(2015)
- 作者机构：
  
  东北师范大学物理学院,吉林长春,130021
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20153610.1101
  CLC： O482.31
- Received：23 July 2015，
  
  Revised：25 August 2015，
  
  Published：10 October 2015
- 稿件说明：
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吕玲, 张猛, 祝汉成等. 12CaO·7Al2O3:Ce3+透明陶瓷的制备及其闪烁特性研究[J]. 发光学报, 2015,36(10): 1101-1105

LYU Ling, ZHANG Meng, ZHU Han-cheng etc. Synthesis and Scintillation Properties of 12CaO·7Al2O3:Ce3+ Transparent Ceramics[J]. Chinese Journal of Luminescence, 2015,36(10): 1101-1105
吕玲, 张猛, 祝汉成等. 12CaO·7Al2O3:Ce3+透明陶瓷的制备及其闪烁特性研究[J]. 发光学报, 2015,36(10): 1101-1105 DOI： 10.3788/fgxb20153610.1101.

LYU Ling, ZHANG Meng, ZHU Han-cheng etc. Synthesis and Scintillation Properties of 12CaO·7Al2O3:Ce3+ Transparent Ceramics[J]. Chinese Journal of Luminescence, 2015,36(10): 1101-1105 DOI： 10.3788/fgxb20153610.1101.

摘要

采用高温固相法制备了不同Ce

掺杂浓度的12CaO7Al

(C12A7:

%Ce

)陶瓷样品。在350 nm紫外光激发下

样品的发射光谱呈现为主峰位于440 nm的宽带

来源于Ce

的5d

5/2

和

7/2

的辐射跃迁。随着Ce

掺杂浓度的增加

发射强度增大;当Ce

摩尔分数超过0.7%时

有杂质相出现。为了进一步提高光致发光强度

采用自蔓延燃烧法合成了C12A7:0.5%Ce

陶瓷样品。在H

气氛下热处理

通过改变笼中阴离子基团的种类和数目提高了陶瓷闪烁特性(发光强度和衰减时间)。结果表明

C12A7:Ce

陶瓷是可应用于闪烁体的潜在材料。

Abstract

12CaO7Al

:Ce

(C12A7:

%Ce

) transparent ceramics were synthesized by a solid state method. Upon 350 nm UV excitation

a broad emission band located around 440 nm can be observed and it can be attributed to the transitions from 5d

5/2

and

7/2

of Ce

respectively. It can be seen that the emitting intensity increases with the increasing of Ce

doping concentration. When the mole fraction of Ce

exceeds 0.7%

other impurities appear. To enhance the emitting intensity

C12A7:0.5%Ce

transparent ceramics were prepared by a self-propagating combustion method. For the samples annealed in H

ambient

the scintillation properties

such as the emitting intensity and decay time

are improved by controlling sorts and amounts of encaged anions in C12A7. The experiment results show that Ce

doped C12A7 might be a potential scintillation material.

关键词

Keywords

references

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⁰

Synthesis and Scintillation Properties of 12CaO·7Al2O3:Ce3+ Transparent Ceramics

DOI：10.3788/fgxb20153610.1101

摘要

Abstract

关键词

Keywords

references

Synthesis and Scintillation Properties of 12CaO·7Al₂O₃:Ce³⁺ Transparent Ceramics