Optical properties and crystallization of glasses in the system Bi2O3-MoO3-B2O3

被引：2
|
作者：
Bachvarova-Nedelcheva, A. [1 ]
Iordanova, R. [1 ]
Aleksandrov, L. [1 ]
Dimitriev, Y. [2 ]
AtaaLLa, M. [2 ]
机构：
[1] Bulgarian Acad Sci, Inst Gen & Inorgan Chem, Acad G Bonchev, BU-1113 Sofia, Bulgaria
[2] Univ Chem Technol & Met, BU-1756 Sofia, Bulgaria
来源：
JOURNAL OF MATERIALS SCIENCE | 2011年 / 46卷 / 22期
关键词：
BISMUTH BORATE GLASSES; METAL OXIDE GLASSES; MICROHETEROGENEOUS STRUCTURE; NONLINEARITIES; OXIDATION; BI2O3;
D O I：
10.1007/s10853-011-5441-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The purpose of this work is to study the optical properties and crystallization of glasses in the ternary system Bi2O3-MoO3-B2O3. In order to verify the obtaining of bismuth borate crystal phases several glass compositions have been selected for crystallization. The obtained samples were characterized by X-ray diffraction, scanning electron microscopy and UV-Vis spectroscopy. The UV-Vis spectroscopy showed that the obtained glasses are transparent in the visible region. The values of optical band gap (E (opt)) and changes in cut-off (lambda(c)) depending on composition are reported. It was established that the increase in the MoO3 content led to decreasing the transmittance of the glasses. Moreover, the absorption edge shifts towards longer wavelength.
引用
收藏
页码：7177 / 7183
页数：7
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