Helium
Element density: 0.18 g/L
Electron configuration: 1s2
Oxidation states: 0
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 | |||
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K | 25 |
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Considerations
Helium can be seen as a gas in an environment cell or as bubbles in solids. Energy will shift with pressure inside bubble. Background fitting problematic due to low energy.
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Related spectral data
Helium gas at 13.7 torr (0 – 40 eV)
Material analyzed: He
Related elements: Helium
Data contributor: Gatan
Beam energy (keV): 120
Nominal energy range (eV): 0 – 40
Collection semi-angle effective (mrad): 0.91
Notes: Parallel EELS; no gain variation correction
