Structural and optical study of tellurite-barium glasses

被引：31

作者：

Grelowska, I. ^{[1
]}

Reben, M. ^{[1
]}

Burtan, B. ^{[2
]}

Sitarz, M. ^{[1
]}

Cisowski, J. ^{[2
]}

Yousef, El Sayed ^{[3
]}

Knapik, A. ^{[1
]}

Dudek, M. ^{[4
]}

机构：

[1] AGH Univ Sci & Technol, Fac Mat Sci & Ceram, Krakow, Poland

[2] Cracow Univ Technol, Inst Phys, Krakow, Poland

[3] King Khalid Univ, Dept Phys, Fac Sci, Abha, Saudi Arabia

[4] AGH Univ Sci & Technol, Fac Energy & Fuels, Krakow, Poland

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2016年 / 1126卷

关键词：

Tellurite glass; Thermal stability; Refractive index; Absorption; Ellipsometric angles; SPECTROSCOPIC PROPERTIES; TEO2; SPECTRA; LASER; NA; CS; RB; LI;

D O I：

10.1016/j.molstruc.2016.01.034

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The goal of this work was to determine the effect of barium oxide on the structural, thermal and optical properties of the TeO2-BaO-Na2O (TBN) and TeO2-BaO-WO3 (TBW) glass systems. Raman spectra allow relating the glass structure and vibration properties (i.e. vibrational frequencies and Raman intensities) with the glass composition. Raman spectra show the presence of TeO4 and TeO3+1/TeO3 units that conform with the glass matrix. Differential thermal analysis DTA, XRD measurements have been considered in term of BaO addition. The spectral dependence of ellipsometric angles of the tellurite-barium glass has been studied. The optical measurements were conducted on Woollam M2000 spectroscopic ellipsometer in spectral range of 190-1700 nm. The reflectance and transmittance measurements have been done on spectrophotometer Perkin Elmer, Lambda 900 in the range of 200-2500 nm (UV-VIS-NIR). From the transmittance spectrum, the energy gap was determined. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：219 / 225

页数：7

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