二价碱土金属氟化物对Er3+/Tm3+/Yb3+共掺氟氧锗酸盐玻璃热稳定性和光谱特性影响的研究

doi:10.3964/j.issn.1000-0593(2012)01-0056-05

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Abstract Transparent Er³⁺/Tm³⁺/Yb³⁺ co-doped oxyfluorogermanate glasses alone containing MgF₂, CaF₂, SrF₂ or BaF₂ and nano-glass-ceramics only containing BaF₂ were prepared. The thermal stabilities and the up-conversion emission properties of the samples were investigated. Analyses of absorbance spectra reveal that the UV cutoff band moves slightly to shortwave band with the doping bivalent cation mass increasing. The results show that the emission color can be adjusted by changing the alkaline earth cation species in the glass matrixes, especially as Mg²⁺ is concerned, and the emission intensity can increase notably by heating the glass containing alkaline-earth fluoride into glass ceramic containing alkaline-earth fluoride nanocrystals or increasing the content of bivalent alkaline earth fluorides.

Key words： Up-conversion luminescence Oxyfluorogermanate glasses Alkaline earth fluoride Er³⁺/Tm³⁺/Yb³⁺ co-doped

Received: 2011-03-19 Accepted: 2011-07-20

ZTFLH:

O482.3

Corresponding Authors: QIU Jian-bei E-mail: qiu@kmust.edu.cn

Cite this article:

HU Yue-bo,ZHANG Xin-na,ZHOU Da-li, et al. Effect of Bivalent Alkaline Earth Fluorides Introduction on Thermal Stability and Spectroscopic Properties of Er³⁺/Tm³⁺/Yb³⁺ Co-Doped Oxyfluorogermanate Glasses[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2012, 32(01): 56-60.

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http://www.gpxygpfx.com/EN/10.3964/j.issn.1000-0593(2012)01-0056-05 OR http://www.gpxygpfx.com/EN/Y2012/V32/I01/56

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