The Study on the Decolorization and Properties of Bismuth Glass

Figure 2

Raman spectra of a series of glasses melted at 1,100°C: (a) (80−x)B₂O₃–xBi₂O₃–10P₂O₅–10ZnO; (b) (80−x)B₂O₃–xBi₂O₃–10P₂O₅–10ZnO + 3Sb₂O₃.