測定吸収端：K-edge、結晶面：Si(111)、Si(311)
| 試料名 | データベース内での表記 |
| KNbO3 | KNbO3 |
| LiNbO3 | LiNbO3 |
| NaNbO3 | NaNbO3 |
| Nb-foil | Nb-foil |
| Nb2O5 | Nb2O5 |
| NbB | NbB |
| NbB2 | NbB2 |
| NbBr5 | NbBr5 |
| NbC | NbC |
| NbCl5 | NbCl5 |
| NbF5 | NbF5 |
| NbN |
NbN |
| NbO | NbO |
| NbO2 | NbO2 |
| NbOCl3 | NbOCl3 |
| NbS2 | NbS2 |
| NbSi2 | NbSi2 |
| NbTe4 | NbTe4 |
| approx. Nb2O3 | approx_Nb2O3 |
| approx. SrNb2O6 | approx_SrNb2O6 |
| 全20種(2023.1.31現在) | |