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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:
Submonolayer coverage and 1.4 ML and 2.5 ML CaF2/Si(111)-(7x7), n-type P-doped with 5 Ohm cm resistivity. CaF2 was deposited at 923-973 K. The thickness was determined by XPS