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

Details Summary:
Summary Page
Tab Page Summary

General:
Element:
K
Formula:
K
XPS Formula:
bulk state
Name:
potassium
CAS Registry No:
7440-09-7
Class:
alkali, element

Citation:
Author Name(s):
Wertheim G.K., Riffe D.M.
Journal:
Phys. Rev. B 52, 14906
DOI:
Pub Year:
1995

Data Processing:
Data Type:
Doublet Separation for Photoelectron Lines
Line Designation:
DS-3p
Double Separation (eV)
0.25
Energy Uncertainty:
0.004
Background Subtraction Method:
other
Peak Location Method:
mixed Gaussian/Lorentzian
Full Width at Half-maximum Intensity (eV):
Gaussian Width (eV):
Lorentzian Width (eV):

Measurement:
Use of X-ray Monochromator:
Yes
Anode Material:
other source
X-ray Energy:
115
Overall Energy Resolution (eV):
Calibration:
FL = Fermi level
Charge Reference:
Conductor
Energy Scale Evaluation:
Reliable (reported energy within 300 eV of a reference energy)
Comment:
K grown from the vapor phase on Ni(100) substrate at 77 K. Peak locations: Doniach - Sunjic & Gaussian. Branching ratio = 0.5.

Specimen:
Specimen:
Method of Determining Specimen Composition:
Method of Determining Specimen Crystallinity:
Specimen Temperature (K):
77
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