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Journal of Materials Science: Materials in Electronics
Published in: Journal of Materials Science: Materials in Electronics 7/2017

31-01-2017

Fabrication, microstructures, luminescent and magnetic properties of LiFe(WO4)2 microcrystals

Authors: Xiaojiao Jiang, Yanmei Li, Tao Li, Zhanglei Ning, Yan Zhao, Mengjiao Liu, Chao Wang, Xin Lai, Jian Bi, Daojiang Gao

Published in: Journal of Materials Science: Materials in Electronics | Issue 7/2017

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Abstract

Monoclinic LiFe(WO4)2 microcrystals have been fabricated by solid-state ceramic method. Microstructures, luminescent and magnetic properties of the as- fabricated microcrystals were characterized by X-ray diffraction, scanning electron microscopy, photoluminescence spectroscopy and Vibrating Sample Magnetometer. Influence of sintering temperature and sintering time on the microstructures, luminescent and magnetic properties of LiFe(WO4)2 microcrystals were studied. Below the sintering temperature 800 °C, the prepared samples exhibited spherical-like morphology. The crystallinity and purity of the microcrystals increased with increasing the sintering temperature. At higher 800 °C, the observed morphology of the obtained microcrystalline turned to be rods-like. All the LiFe(WO4)2 microcrystals exhibit the alike broad emission peak centered at 390 nm under excitation of 242 nm ultraviolet light except for difference in emission intensity. Due to the good crystallinity and microstructures, LiFe(WO4)2 microcrystals fabricated at 800 °C possess the maximum emission intensity. On the premise of the optimal sintering temperature (800 °C) and the predetermined range of sintering time (1–9 h), the sintering time has little influence on the microstructures and luminescent properties of the LiFe(WO4)2 microcrystals. In addition, all the well crystallized LiFe(WO4)2 microcrystals exhibit paramagnetism at room temperature.
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Metadata
Title
Fabrication, microstructures, luminescent and magnetic properties of LiFe(WO4)2 microcrystals
Authors
Xiaojiao Jiang
Yanmei Li
Tao Li
Zhanglei Ning
Yan Zhao
Mengjiao Liu
Chao Wang
Xin Lai
Jian Bi
Daojiang Gao
Publication date
31-01-2017
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 7/2017
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-016-6225-3

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