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NIST X-ray Photoelectron Spectroscopy Database (SRD 20), Version 5.0
Reliable, with one-point correction of energy scale
Comment:
The oxide was formed using a constant flow of 101325 Pa of O2 at 623 K for 2 h. The intensity ratio of As(V)/As(III) components was 0.24. The oxide thickness measured by ellipsometry was 35 A. The interfacial As layer thickness was 0.6 A. The chemical shift is relative to the substrate atoms.