]>
Table 4: Observed IR band positions in the 60B2O3–10TeO2–(30-x)ZnO–xPbO glass system.

Sample IDIR bands (cm-1)

BTZP1668102213333448
BTZP2668108113443448
BTZP3458687108513423448
BTZP4458667102213423450