Preparation and Properties of Eu-doped 5Li2O-1Nb2O5-5TiO2 Ceramics

WANG Fei; ZHOU Zhi-yong; ZENG Qun; ZHOU He; YAO Chun-feng

doi:10.3788/fgxb20173803.0269

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Preparation and Properties of Eu-doped 5Li₂O-1Nb₂O₅-5TiO₂ Ceramics

更新时间：2020-08-12

- Preparation and Properties of Eu-doped 5Li₂O-1Nb₂O₅-5TiO₂ Ceramics
- Chinese Journal of Luminescence Vol. 38, Issue 3, Pages: 269-273(2017)
- 作者机构：
  
  1. 华南师范大学信息光电子科技学院广东省微纳光子功能材料与器件重点实验室, 广东广州 510006
  2. 中国科学院无机功能材料与器件重点实验室, 上海 200050
  3. 华南师范大学实验中心, 广东广州 510006
- 作者简介：
- 基金信息：
  
  Supported by Pearl River Science and Technology Nova Project of Guangzhou City(20150
- DOI：10.3788/fgxb20173803.0269
  CLC： O482.31
- Received：08 September 2016，
  
  Revised：12 October 2016，
  
  Published：05 March 2017
- 稿件说明：
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王飞, 周志勇, 曾群等. Eu3+掺杂5Li2O-1Nb2O5-5TiO2发光陶瓷的制备及性能研究[J]. 发光学报, 2017,38(3): 269-273

WANG Fei, ZHOU Zhi-yong, ZENG Qun etc. Preparation and Properties of Eu-doped 5Li2O-1Nb2O5-5TiO2 Ceramics[J]. Chinese Journal of Luminescence, 2017,38(3): 269-273
王飞, 周志勇, 曾群等. Eu3+掺杂5Li2O-1Nb2O5-5TiO2发光陶瓷的制备及性能研究[J]. 发光学报, 2017,38(3): 269-273 DOI： 10.3788/fgxb20173803.0269.

WANG Fei, ZHOU Zhi-yong, ZENG Qun etc. Preparation and Properties of Eu-doped 5Li2O-1Nb2O5-5TiO2 Ceramics[J]. Chinese Journal of Luminescence, 2017,38(3): 269-273 DOI： 10.3788/fgxb20173803.0269.

摘要

以Li

、Nb

、TiO

和Eu

为原料，采用固相法制备Eu

掺杂的5Li

-1Nb

-5TiO

（LNT）发光介质陶瓷。通过密度、XRD和荧光光谱测试，对0.2%（质量分数）Eu

掺杂的陶瓷片进行性能表征。结果表明：1 120℃烧结致密的陶瓷片，其晶相结构为M-相与Li

TiO

两相复合构成；在400 nm的近紫外光激发下，样品有较强的橙光（592 nm）和红光（615 nm）发射，分别属于Eu

的

的磁偶极跃迁和

的电偶极跃迁。

Abstract

Eu-doped 5Li

O-1Nb

-5TiO

(LNT) luminescent dielectric ceramics were synthesized by solid state reaction method with Li

TiO

and Eu

as raw materials. The properties of LNT:0.2%Eu

(mass fraction)ceramics were characterized by density test

X-ray diffraction(XRD) and photoluminescence spectroscopy

respectively. The XRD results show that the ceramics sintered at 1 120℃ consist of M-phase and Li

TiO

solid solution

no other miscellaneous phase. Under 400 nm excitation

strong red-orange luminescence can be observed. The red emission at 615 nm belonging to

transition is an electric dipole transition

while the orange emission at 592 nm corresponding to

transition is a typical magnetic dipole allowed transition.

关键词

Keywords

references

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Related Institution

华南师范大学信息光电子科技学院广东省微纳光子功能材料与器件重点实验室

湖北大学物理与电子科学学院铁电压电材料与器件湖北省重点实验室, 湖北武汉 430062

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华南师范大学实验中心, 广东广州 510006

Institute of Nano-Chemistry, Jinan University

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