Crystallization of lead-based and lead-free oxyfluoride germanate glasses doped with erbium during heat treatment process

被引：7

作者：

Pisarska, Joanna ^{[1
]}

Sohys, Marta ^{[1
]}

Janek, Joanna ^{[1
]}

Gorny, Agata ^{[1
]}

Pietrasik, Ewa ^{[1
]}

Goryczka, Tomasz ^{[2
]}

Pisarski, Wojciech A. ^{[1
]}

机构：

[1] Univ Silesia, Inst Chem, Szkolna 9, PL-40007 Katowice, Poland

[2] Univ Silesia, Inst Mat Sci, 75 Puiku Piechoty IA, PL-41500 Chorzow, Poland

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2018年 / 501卷

关键词：

Germanate glasses; Transparent glass-ceramics; Rare earth ions; Heat treatment; Crystallization; Up-conversion luminescence; UP-CONVERSION LUMINESCENCE; NEAR-INFRARED EMISSION; SPECTROSCOPIC PROPERTIES; ER3+ IONS; TELLURITE GLASSES; ENERGY-TRANSFER; CERAMICS; BAF2; MICROSTRUCTURE; ENHANCEMENT;

D O I：

10.1016/j.jnoncrysol.2018.01.005

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：

Oxyfluoride lead-based and lead-free germanate glasses were heat-treated in order to fabricate transparent glass ceramics. Cubic beta-PbF2 nanocrystals are well formed during crystallization of lead germanate glass. The up conversion luminescence spectra of Er3+ ions in lead germanate glass-ceramic system are enhanced significantly due to partial incorporation of the optically active ions into fluoride crystalline phase. These effects are not significant in oxyfluoride lead-free germanate glass after heat treatment process. The crystallization of barium gallo-germanate glass with BaF2 is more complex and the presence of four crystalline phases BaF2, BaO, Ba3Ga2Ge4O14 and GeO2 was verified by X-ray diffraction measurements.

引用

页码：121 / 125

页数：5

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