Tungsten
Element density: 19.25 g/cm3
Electron configuration: [Xe]4f145d46s2
Oxidation states: +6
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 | 10207 |
|
|
M4 | 1872 |
|  |
M5 | 1809 |
| |
O2 | 47 |  | |
O3 | 36 | | |
Minor edges | |||
|---|---|---|---|
L1 | 12100 |
|
|
L2 | 11544 |
|
|
M1 | 2820 |
|  |
M2 | 2575 |  |  |
M3 | 2281 |  |  |
N1 | 595 |
| |
N2 | 492 |  | |
N3 | 425 | | |
N4 | 259 |
|  |
N5 | 245 |
| |
N6 | 37 |
|
|
N7 | 34 |
|
|
O1 | 77 |
| |
Considerations
The M4,5-edgesoverlaps with Si K-edge and the M-edges of Hf and Ta. Use MLLS fitting or model based EELS to separate these edges.
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Related spectral data
W electropolished foil (0 – 180 eV)
Material analyzed: W
Related elements: Tungsten
Data contributor: Gatan
Beam energy (keV): 200
Nominal energy range (eV): 0 – 180
Collection semi-angle effective (mrad): 100
Notes: Serial EELS; 10 ms dwell 15 sweeps; analog only
W electropolished foil (0 – 3910 eV)
Material analyzed: W
Related elements: Tungsten
Data contributor: Gatan
Beam energy (keV): 200
Nominal energy range (eV): 0 – 3910
Collection semi-angle effective (mrad): 100
Notes: Serial EELS; zero-loss peak intensity = 1.08e9; total elastic int. / zero-loss int. = 0.19; gain change factor = 243; 150 sweeps 10 ms dwell; saturated zero-loss
Applications
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