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NIST X-ray Photoelectron Spectroscopy Database (SRD 20), Version 5.0
Reliable, with two-point correction of energy scale
Comment:
0.27 ML C4H6O was adsorbed onto Ag(110)-(1x1) at 110 K. The substrate was cleaned by Ar+ ion bombardment and subsequently annealed (T = 770 K, time = 2 min).