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NIST X-ray Photoelectron Spectroscopy Database (SRD 20), Version 5.0
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General:
Citation
Data Processing:
Measurement:
Specimen:
Element:
K
Formula:
K
XPS Formula:
bulk state
Name:
potassium
CAS Registry No:
7440-09-7
Class:
alkali, element
Author Name(s):
Wertheim G.K., Riffe D.M.
Journal:
Phys. Rev. B 52, 14906
DOI:
10.1103/PhysRevB.52.14906
Pub Year:
1995
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Total Records:
3
Element
Atomic No
Formula
Spectral Line
Energy (eV)
Details
K
19
K
DS-3p
0.25
K
19
K
3p
3/2
18.34
K
19
K
SS-3p
1/2
0.20
Data Type:
Photoelectron Line
Line Designation:
3p
3/2
Binding Energy (eV):
18.34
Energy Uncertainty:
Background Subtraction Method:
other
Peak Location Method:
mixed Gaussian/Lorentzian
Full Width at Half-maximum Intensity (eV):
Gaussian Width (eV):
0.202
Lorentzian Width (eV):
0.038
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. Singularity index = 0.145.
Specimen:
cooled, thin film, vapor deposited
Method of Determining Specimen Composition:
Method of Determining Specimen Crystallinity:
Specimen Temperature (K):
77
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