Electron Energy Loss Spectroscopy Analysis on the Preferential Incorporation of Er3+ Ions into Fluoride Nanocrystals in Oxyfluoride Glass-Ceramics

被引：33
|
作者：
Liu, Chao [1 ,2 ]
Heo, Jong [1 ]
机构：
[1] Pohang Univ Sci & Technol POSTECH, Dept Mat Sci & Engn, DANE, Pohang 790784, Gyeongbuk, South Korea
[2] Wuhan Univ Technol, State Key Lab Silicate Mat Architectures, Wuhan 430070, Hubei, Peoples R China
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2012年 / 95卷 / 07期
基金：
新加坡国家研究基金会;
关键词：
UP-CONVERSION; CRYSTALS; PBF2;
D O I：
10.1111/j.1551-2916.2012.05238.x
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The preferential incorporation of Er3+ ions into the PbF 2 nanocrystals during the ceraming process of oxyfluoride glass was analyzed using electron energy loss spectroscopy analysis. Concentrations of Er3+ ions were considerably higher in PbF 2 nanocrystals compared to those in the glass matrix. Changes in lineshapes of absorption spectra from Er3+: I-4(15/2) -> I-4(13/2) transition and lifetimes of the excited-state Er3+ (S-4(3/2) level) ions also supported the incorporation of Er3+ ions into PbF 2 nanocrystals.
引用
收藏
页码：2100 / 2102
页数：3
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