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8 OOxygen15.9994

Oxygen

Element Density: 1.429 g/cm3
Electron Configuration:
[He]2s22p4
Oxidation States: -2
Major Edges
K532
Minor Edges
L124

Considerations

The O K-edge shows rich fine structure and chemical shifts identifying local bonding effects. Small changes in local bonding can have large effects on edge.

Air at 8 torr_0150-0620eV

  • Material Analyzed:
    O2
  • Related Elements:Oxygen
  • Data Contributor:Gatan
  • Beam energy (keV):100
  • Nominal energy range (eV):150 - 620
  • Collection semi-angle effective (mrad):4.1
  • Notes:

    Parallel EELS; no gain variation correction; N-K first peak at 400.2 eV (absolute volt. to drift tube)

Air at 8 torr_0370-0570eV

  • Material Analyzed:
    O2
  • Related Elements:Oxygen
  • Data Contributor:Gatan
  • Beam energy (keV):100
  • Nominal energy range (eV):370 - 570
  • Collection semi-angle effective (mrad):4.1
  • Notes:

    Parallel EELS; no gain variation correction; N-K first peak at 400.2 eV (absolute volt. to drift tube);

Al2O3 thin film_0-0180eV

  • Material Analyzed:
    Al2O3
  • Related Elements:Aluminum, Oxygen
  • Data Contributor:Gatan
  • Beam energy (keV):200
  • Nominal energy range (eV):0 - 180
  • Collection semi-angle effective (mrad):100
  • Notes:

    Serial EELS; 7 sweeps 16.67 ms dwell

Al2O3 thin film_0-0450eV

  • Material Analyzed:
    Al2O3
  • Related Elements:Aluminum, Oxygen
  • Data Contributor:Gatan
  • Beam energy (keV):200
  • Nominal energy range (eV):0 - 450
  • Collection semi-angle effective (mrad):100
  • Notes:

    Serial EELS; zero-loss peak intensity = 7.84e8; total elastic int. / zero-loss int. = 0.18; gain change factor = 654; 20 sweeps 20 ms dwell

Al2O3 thin film_0-3910eV

  • Material Analyzed:
    Al2O3
  • Related Elements:Aluminum, Oxygen
  • 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 = 7.33e9; total elastic int. / zero-loss int. = 0.18; gain change factor = 401; 100 sweeps 10 ms dwell