Infrared Radiation Properties of B Bit Double Doped LaMg0.34NixFe0.66-xO3 in Perovskite Structure

LIU Qing-sheng; YOU Zheng; ZENG Shao-jun; GUO Hui

doi:10.3788/fgxb20163711.1316

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Infrared Radiation Properties of B Bit Double Doped LaMg_0.34Ni_xFe_0.66-xO₃ in Perovskite Structure

更新时间：2020-08-12

- Infrared Radiation Properties of B Bit Double Doped LaMg_0.34Ni_xFe_0.66-xO₃ in Perovskite Structure
- Chinese Journal of Luminescence Vol. 37, Issue 11, Pages: 1316-1322(2016)
- 作者机构：
  
  江西理工大学冶金与化学工程学院,江西赣州,341000
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20163711.1316
  CLC： O482.31
- Received：23 May 2016，
  
  Revised：02 July 2016，
  
  Published：05 November 2016
- 稿件说明：
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刘庆生, 游拯, 曾少军等. 钙钛矿结构B位双掺杂 LaMg0.34NixFe0.66-xO3的红外辐射性能[J]. 发光学报, 2016,37(11): 1316-1322

LIU Qing-sheng, YOU Zheng, ZENG Shao-jun etc. Infrared Radiation Properties of B Bit Double Doped LaMg0.34NixFe0.66-xO3 in Perovskite Structure[J]. Chinese Journal of Luminescence, 2016,37(11): 1316-1322
刘庆生, 游拯, 曾少军等. 钙钛矿结构B位双掺杂 LaMg0.34NixFe0.66-xO3的红外辐射性能[J]. 发光学报, 2016,37(11): 1316-1322 DOI： 10.3788/fgxb20163711.1316.

LIU Qing-sheng, YOU Zheng, ZENG Shao-jun etc. Infrared Radiation Properties of B Bit Double Doped LaMg0.34NixFe0.66-xO3 in Perovskite Structure[J]. Chinese Journal of Luminescence, 2016,37(11): 1316-1322 DOI： 10.3788/fgxb20163711.1316.

摘要

采用溶胶-凝胶法制备了纯的和Mg

-Ni

掺杂的LaFeO

，并对它们在近红外波段的发射率进行了研究和比较。结果表明，34%（摩尔分数）的Mg

和23%（摩尔分数）的Ni

掺杂的LaFeO

即LaMg

0.34

0.23

0.43

在0.2~2m波段的红外发射率达到了0.966，远高于未掺杂LaFeO

的0.446。Mg

-Ni

共掺杂能够显著提高LaFeO

在近红外波段的发射率的原因在于Mg

、Ni

进入铁酸镧的晶格中取代Fe

，引入了杂质能级，氧空位浓度增加，提高了杂质能级吸收以及氧空位吸收，掺杂引起的晶格畸变使得晶格振动吸收增强；此外，电子在Fe

和Fe

之间的极化跃迁，也增强了化合物在相应光谱区域的吸收性能。

Abstract

Pure and Mg

-Ni

doped LaFeO

were prepared by sol-gel method

and their emission rates in the near infrared band were studied and compared. The results show that the infrared emission rate in 0.2-2 m waveband of LaMg

0.34

0.23

0.43

(Mg

mole fraction of 34%

mole fraction of 23%) is 0.966

much higher than that of undoped LaFeO

(0.446). For Mg

-Ni

co-doped LaFeO

come into lanthanum ferrite lattice to substitute Fe

which introduces the impurity levels and increases the oxygen vacancy concentration. The impurity energy absorption and absorption of oxygen vacancies are improved

and the lattice distortion induced by doping makes the lattice vibration absorption enhance. In addition

the polarized transition of electrons between Fe

and Fe

greatly enhances the absorption performance of the compounds in the corresponding spectra. So

-Ni

co-doping can significantly improve the infrared emission rate of LaFeO

关键词

Keywords

references

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Related Institution

Faculty of Materials Metallurgy and Chemistry, Jiangxi University of Science and Technology

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State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University

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Key Laboratory of Functional Materials Physics and Chemistry of The Ministry of Education, Jilin Normal University

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