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NIST X-ray Photoelectron Spectroscopy Database (SRD 20), Version 5.0
Reliable (reported energy within 300 eV of a reference energy)
Comment:
3.2E4 L O2/GaAs(100)-(4x1). The sample was exposed to oxygen with a simultaneous electron bombardment at 150 eV and 0.6 mA/cm2 current density. The energy shift is referenced to the binding energy of As in GaAs(100)-(4x1).