NIST X-ray Photoelectron Spectroscopy Database

NIST X-ray Photoelectron Spectroscopy Database (SRD 20), Version 5.0

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Ca

CaF₂/Si

calcium difluoride/silicon

CAS Registry No:

7789-75-5

alkaline earth, fluoride

Interface Core-Level Shift

Line Designation:

INT-2p_3/2

Interface Core-Level Shift:

-2.65

Energy Uncertainty:

0.05

Background Subtraction Method:

other

Peak Location Method:

data

Full Width at Half-maximum Intensity (eV):

Gaussian Width (eV):

Lorentzian Width (eV):

Use of X-ray Monochromator:

No

Anode Material:

Mg

X-ray Energy:

Overall Energy Resolution (eV):

Calibration:

Au4f7 = 84.00

Charge Reference:

Conductor

Energy Scale Evaluation:

Reliable (reported energy within 300 eV of a reference energy)

Comment:

4 ML CaF2 were vapour deposited onto p-type Si(111)-(7x7) with a resistivity of ~ 1 ohm cm at 973 K. The thickness was measured using a quartz-crystal thickness monitor.

Four monolayers (note space between 4 and ML), thin layer, vapor deposited

Method of Determining Specimen Composition:

Method of Determining Specimen Crystallinity:

Low-energy Electron Diffraction

Specimen Temperature (K):

300

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