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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:
4 and 6 A Tb/n-type Si(111)-(7x7) with a resistivity of 1.8 - 3.2 ohm cm. The thickness was measured using a quartz-crystal thickness monitor. The substrate surface was cleaned by cycles of Ar+ ion bombardment and annealing (T = 1100 K) by electron bombar