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10.3390/cryst11060652
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Article

Synthesis and Optical Characterizations of Yb3+: CaxSr1−xF2 Transparent Ceramics

by
Hongran Ling
*,
Bingchu Mei
,
Weiwei Li
,
Yu Yang
,
Yongqiang Zhang
and
Xinwen Liu
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
*
Author to whom correspondence should be addressed.
Crystals 2021, 11(6), 652; https://doi.org/10.3390/cryst11060652
Submission received: 11 May 2021 / Revised: 3 June 2021 / Accepted: 5 June 2021 / Published: 8 June 2021
(This article belongs to the Special Issue A 10 Years Journey: Chemical, Physical, and Biological Properties and Applications of Crystals)
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Abstract

In this study, 3 at.% Yb3+: CaxSr1−xF2 nanopowders were synthesized via the chemical co-precipitation method. Highly transparent 3 at.% Yb3+: CaxSr1−xF2 ceramics with various CaF2 concentrations were fabricated by hot-pressed sintering. The 3 at.% Yb3+: CaxSr1−xF2 nanopowders exhibited a spherical shape with slight agglomeration, and their particle size ranged from 26 nm to 36 nm. With an increase of the CaF2 concentration, the peak shape changed significantly and the width of the emission band increased inhomogeneously. The minimal fluorescence lifetime at the wavelength of 1011 nm of 3 at.% Yb3+: CaxSr1−xF2 transparent ceramics with various CaF2 concentrations was higher than 3.25 ms, which was longer than that of the 3 at.% Yb3+: CaF2 (2.6 ms) and the 3 at.% Yb3+: SrF2 (3.22 ms) reported in previous literature. The results indicate that incorporating Ca2+ ions into the SrF2 is an effective method to modulate the optical properties of transparent ceramics.
Keywords: Yb3+: CaxSr1−xF2; transparent ceramics; chemical co-precipitation; spectral property Yb3+: CaxSr1−xF2; transparent ceramics; chemical co-precipitation; spectral property

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MDPI and ACS Style

Ling, H.; Mei, B.; Li, W.; Yang, Y.; Zhang, Y.; Liu, X. Synthesis and Optical Characterizations of Yb3+: CaxSr1−xF2 Transparent Ceramics. Crystals 2021, 11, 652. https://doi.org/10.3390/cryst11060652

AMA Style

Ling H, Mei B, Li W, Yang Y, Zhang Y, Liu X. Synthesis and Optical Characterizations of Yb3+: CaxSr1−xF2 Transparent Ceramics. Crystals. 2021; 11(6):652. https://doi.org/10.3390/cryst11060652

Chicago/Turabian Style

Ling, Hongran, Bingchu Mei, Weiwei Li, Yu Yang, Yongqiang Zhang, and Xinwen Liu. 2021. "Synthesis and Optical Characterizations of Yb3+: CaxSr1−xF2 Transparent Ceramics" Crystals 11, no. 6: 652. https://doi.org/10.3390/cryst11060652

APA Style

Ling, H., Mei, B., Li, W., Yang, Y., Zhang, Y., & Liu, X. (2021). Synthesis and Optical Characterizations of Yb3+: CaxSr1−xF2 Transparent Ceramics. Crystals, 11(6), 652. https://doi.org/10.3390/cryst11060652

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