Hafnium
Element density: 13.31 g/cm3
Electron configuration: [Xe]4f145d26s1
Oxidation states: +4
Edges
Explore electron energy loss spectroscopy (EELS) reference spectra, featuring major and minor edges used for elemental identification and chemical state analysis in materials research.
Major edges | |||
|---|---|---|---|
L3 | 9561 |
|
|
M4 | 1716 |
|  |
M5 | 1662 |
| |
O2 | 38 |  | |
O3 | 31 | | |
Minor edges | |||
|---|---|---|---|
L1 | 11271 |
|
|
L2 | 10739 |
|
|
M1 | 2601 |
|  |
M2 | 2365 |  |  |
M3 | 2108 |  |  |
N1 | 538 |
| < |
N2 | 437 |  | |
N3 | 380 | | |
N4 | 224 |
|  |
N5 | 214 |
| |
O1 | 65 |
| |
Considerations
The M4,5-edge overlaps with the M-edges of Ta and W. Use MLLS fitting or model based EELS to separate these edges.
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Related spectral data
HfO2 particles on holey C film (0 – 3880 eV)
Material analyzed: HfO2
Related elements: Hafnium, Oxygen
Data contributor: Gatan
Beam energy (keV): 200
Nominal energy range (eV): 0 – 3880
Collection semi-angle effective (mrad): 100
Notes: Serial EELS; zero-loss peak intensity = 8.21e8; total elastic int. / zero-loss int. = 0.39; gain change factor = 522; 70 sweeps 10 ms dwell
