| Ellipsometric | |||||||
| Temperature (K) | n | αO2- (n) (×10−24 cm3) | A (n) | ζav (An) Zahid model | ζav (An) Reddy model | ζav {αO2- (n)} Zahid model | ζav {αO2- (n)} Reddy model |
| 295.0 | 1.5296 | 1.4329 | 0.5045 | 4.8143 | 4.7631 | 5.0066 | 4.9628 |