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CHARACTERIZATION AND STRUCTURE OF HIGH-DENSITY PbO-Bi_2O_3-B_2O_3-SiO_2 GLASSES

机译:高密度PbO-Bi_2O_3-B_2O_3-SiO_2玻璃的表征与结构

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In this paper, the characterization and structure of PbO-Bi_2O_3-B_2O_3-SiO_2 glass were studied through the measurement of density, visible optical spectra, Infrared absorption spectra and Co-60 irradiation test, the density of the glass is high up to 8.022g/cm~3, and it can resist 105 rad radiation damage. The cut off wavelength of this system shifts towards long wavelength with the increasing amount of Pb~(2+) and Bi~(3+) content. The addition of SiO_2 could make the network of PbO-Bi_2O_3-B_2O_3 glass system more dense. The structure of this glass system is composed of [SiO_4]~(4-), [BO_3]~(3-), [BO_4]~(5-), [PbO_4]~(6-), [BiO_3]~(3-). Both parts of Pb~(2+) and Bi~(3+) serve as a network modifier.
机译:本文通过密度,可见光谱,红外吸收光谱和Co-60辐照试验研究了PbO-Bi_2O_3-B_2O_3-SiO_2玻璃的表征和结构,玻璃的密度高达8.022g。 / cm〜3,可抵抗105 rad的辐射伤害。随着Pb〜(2+)和Bi〜(3+)含量的增加,该系统的截止波长向长波长方向偏移。 SiO_2的加入可以使PbO-Bi_2O_3-B_2O_3玻璃体系的网络更加致密。该玻璃体系的结构由[SiO_4]〜(4-),[BO_3]〜(3-),[BO_4]〜(5-),[PbO_4]〜(6-),[BiO_3]〜( 3-)。 Pb〜(2+)和Bi〜(3+)的两个部分都用作网络修改器。

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