Diffuse reflectance UV-vis-NIR/DRIFTS and Tauc analysis
HoHHTP powder · Powder
Diffuse reflectance spectra from 350-3000 nm stitched with DRIFTS; Tauc plots for direct allowed transitions.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| direct-allowed Tauc optical bandgap | 0.76 eV (visual estimate from Fig. 3b inset) | — | — | Figure Axis Approximate | main p.133 · Optical spectroscopy · Fig. 3b |
| sub-edge defect absorption feature for Ho/Yb | ~0.7 eV for Ho and Yb | — | — | Text Approximate | main p.133 · Optical spectroscopy · Fig. 3a |