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NIST X-ray Photoelectron Spectroscopy Database (SRD 20), Version 5.0
Reliable, with two-point correction of energy scale
Comment:
The coverages of Zn was 0.17 and 0.23. The copper polycrystal was cleaned by Ar+ ion bombardment (T = 300 and 723 K) and subsequently annealed (T = 723 K, time = ~10 min).