Structural and magneto-optical properties of PbO-Bi2O3-B2O3 -Al(PO3)3 glasses

被引：15
|
作者：
An, Hao [1 ]
Qian, Pengyuan [1 ]
Ye, Yumian [1 ]
Wang, Shuangbao [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan 430074, Peoples R China
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 2020年 / 538卷
关键词：
Diamagnetic glass; Metaphosphate; Network structure; Verdet constant; Magneto-optical property; FARADAY-ROTATION; BORATE GLASSES; FTIR;
D O I：
10.1016/j.jnoncrysol.2020.120021
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Herein, diamagnetic PbO-Bi2O3-B2O3-Al(PO3)(3) glasses are prepared by melt-casting and the influence of phosphorus tetrahedral on the structure and optical properties of the glass has been systematically investigated. Compared to diamagnetic PbO-Bi2O3-B2O3(PBB) glasses, the original boron chain network has been replaced by the boron-phosphate structure. The metaphosphate forms [PO4] units and expands the glass network, which leads to the decline of density and the increase of refractive index (up to similar to 2.423 @633 nm). The improvement of the magneto-optical properties performs in that the Verdet constant achieves 0.203 min/G cm at 633 nm and higher magneto-optical figure of merit displays a better optical performance than the diamagnetic glass without metaphosphate.
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页数：5
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