Absorption Edge：K-edge、Net plane：Si(311)
Absorption Edge：L-edge、Net plane：Si(111)、Si(311)
Absorption Edge：L-edge、Net plane：Si(111)、Si(311)
| Sample name | Notation in the database |
| Hf-foil | Hf-foil |
| HfCl4 | HfCl4 |
| HfO2 | HfO2 |
| HfS2 | HfS2 |
| 4 species (as of 12.16.2025) | |