FTIR and UV spectra of pentaternary borate glasses

被引：103
作者：
Ali, A. A. [1 ]
Rammah, Y. S. [2 ]
El-Mallawany, R. [2 ]
Souri, D. [3 ]
机构：
[1] Natl Res Ctr, Glass Res Dept, Cairo 12622, Egypt
[2] Menoufia Univ, Fac Sci, Phys Dept, Shibin Al Kawm, Egypt
[3] Malayer Univ, Fac Sci, Dept Phys, Malayer, Iran
来源：
MEASUREMENT | 2017年 / 105卷
关键词：
Borate glass; UV; IR spectra; Energy gap; Urbach's energy; Absorption spectrum fitting (ASF); OPTICAL-PROPERTIES; LITHIUM; BI2O3; POLARIZABILITY; SPECTROSCOPY; ABSORPTION; IONS; LEAD;
D O I：
10.1016/j.measurement.2017.04.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A series of (75-x) B2O3-xBi(2)O(3)-10Na(2)O-10CaO-5Al(2)O(3) glasses, (0 <= x <= 25 mol%) were prepared. Density and molar volume were measured. FTIR and UV spectra were recorded at 400-4000 cm(-1) and 200-850 nm, respectively. Optical energy gap (E-OPt), Urbach's energy (E-u), and refractive index (n) were calculated using absorption spectrum fitting (ASF) and derivation of absorption spectrum fitting (DASF) methods. Molar refraction (R-m) and molecular polarizability (alpha(m)) have been calculated according to (ASF) method. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：72 / 77
页数：6
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