Optical properties of Eu3+ in oxyfluoroborate glass and its nanocrystalline glass

被引：70

作者：

Dwivedi, Y. ^{[1
]}

Rai, S. B. ^{[1
]}

机构：

[1] Banaras Hindu Univ, Dept Phys, Laser & Spect Lab, Varanasi 211005, Uttar Pradesh, India

来源：

OPTICAL MATERIALS | 2008年 / 31卷 / 01期

关键词：

glass ceramic; nanocrystalline glasses; oxyfluoroborate glass; Eu3+ ion; Judd-Ofelt analysis;

D O I：

10.1016/j.optmat.2008.01.015

中图分类号：

T [工业技术];

学科分类号：

08 [工学];

摘要：

Optical properties of Eu3+ doped oxyfluoroborate glasses containing different concentrations of BaF2 have been studied. The emission is found to be maximum at 20 mol% of BaF2. Transparent oxyfluoroborate glass ceramic with 15-20% volume fraction of fluoride nano-crystals are prepared from the Eu3+ doped glass using heat treatment and the optical properties of Eu3+ ions in such a glass ceramic have been studied and compared with those of the original glasses. Luminescence and absorption measurements reveal higher cross-sections in the glass ceramic. Addition of Bi2O3 during glass formation, with a fixed concentration of BaF2 content, increases the stability of the glass and heat treatment of such a glass leads to increase in its luminescence intensity. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：87 / 93

页数：7

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