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Bi2O3–B2O3二元系统玻璃的网络结构形成与光学性能研究

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Abstract:

采用高温熔融–退火法制备了一系列Bi2O3–B2O3二元系统玻璃,系统研究了不同Bi/B摩尔比下B2O3和Bi2O3在玻璃网络结构中的竞争机制,重点探讨了组成对铋酸盐玻璃光学和结构性能的影响。通过吸收光谱和Raman光谱分析了Bi2O3–B2O3二元系统玻璃的网络形成机理,测试了玻璃的密度和线性折射率。结果表明Bi3+和B3+均为玻璃网络形成体,Raman光谱以600cm–1为中心,其附近的Raman信号强度发生的有规律性变化低能量区的Raman峰与玻璃中引入的铋离子有关,而高能区的Raman峰与玻璃中的硼氧结构体有关。

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