Research Article
Effect of Erbium Nanoparticles on Optical Properties of Zinc Borotellurite Glass System
Table 2
Assignment of infrared transmission bands of erbium NPs doped glass samples.
| | No. | 0.005 | 0.01 | 0.02 | 0.03 | 0.04 | 0.05 | Assignments |
| | 1 | 1348 | 1345 | 1334 | 1341 | 1338 | 1331 | Trigonal B–O bond stretching vibrations in isolated trigonal BO3 units [5] | | 2 | 1226 | 1223 | 1225 | 1227 | 1226 | 1223 | Trigonal B–O bond stretching vibrations of BO3 units from boroxyl groups [5] | | 3 | 642 | 637 | 633 | 637 | 645 | 645 | TeO3 group exists in all tellurite containing glass [5] | | 4 | — | — | — | — | — | — | ZnO participates in the glass network with ZnO4 structural units and alternate TeO4 units [5] |
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