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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:
A 0.025 mm thick iron foil was cleaned by repeated cycles of Ar+ ion bombardment (Ep = 3 keV, j = 1.7 micro amperes/cm2) and subsequently annealed (T = 923 K). FAT mode.