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Dulce María
Date: 2024-11-01 20:00
Fitting of spectra from the Fe 2p core level from a partially oxidized sample
Fitting of spectra from the core level Fe 2p from a partially oxidized iron film for different photon energies (from top to botton 6836.5, 6736.5, 7587.5, and 7387.5 eV).
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Information about the sample:
Shape: Flat surface
Sample material: partially oxidized Fe
Elements: Fe,O
Sample composition: Fe2O3/Fe
Data acquisition parameters:
Photon source: Synchrotron. Energy
Equipment and analysis software:
Software used: aanalyzer
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Dulce María
Date: 2024-11-01 19:55
Fitting of intrinsic signals from the Fe 2p core level from a partially oxidized sample
Fitting of intrinsic Fe 2p signals for different photon energies (from top to botton 6836.5, 6736.5, 7587.5, and 7387.5 eV). The original spectra were analyzed under the Active background approach. The intrinsic signals were then obtained by modeling the extrinsic inelastic background accounting for the finite thickness (18 nm) of the oxide layer, a semi-infinite metal layer and X-ray extinction with a modified version of the method proposed by Herrera-Gomez Alberto, The photoemission background signal due to inelastic scattering in conformal thin layers, Queretaro, 2023.
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Files :
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Information about the sample:
Shape: Flat surface
Sample material: partially oxidized Fe
Elements: Fe,O
Sample composition: Fe2O3/Fe
Data acquisition parameters:
Photon source: Synchrotron. Energy
Equipment and analysis software:
Software used: aanalyzer
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Database
Dagoberto
Date: 2021-10-08 23:48
Fe 2p peak-fitting in hematite
Fe 2p peak-fitting from an iron oxide film, the peak areas obtained in the fitting allows for the calculation of the expected composition (Fe2.00±0.05O3) by modeling the background as a combination of Shirley-type (Shirley-Vegh-Salvi-Castle) and slope backgrounds through the active approach. It is important that a double-Lorentzian lineshape was used to model the multiplet structure. For more information please refer to DOI: 10.1002/sia.6124
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Information about the sample:
Shape: Flat Surface
Sample material: Hematite
Elements: Fe; O
Sample composition: Fe2.00±0.05 : O3
Data acquisition parameters:
Photon source: Al Ka (monochromatic)
Pass energy: 15
Take-off angle: 90
Equipment and analysis software:
Brand: ThermoFisher
Model: Alpha110
Spectrometer mode: Small area large angle
Software used: Analyzer
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Database
Alberto
Date: 2021-10-06 20:34
Metallic iron
This fit is a slight variation of that published in Surf. Interface Anal. 52, 591-599 (2020). https://doi.org/10.1002/sia.6796. The fit is very complex; this is why, even though Fe 2p is widely studied core level, its fit hadn't been reported before 2020. This is the result of a simultaneous fit to iron films of different thicknesses, resulting in a robust fit.
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Files :
You must be logged-in to download data
Information about the sample:
Shape: Flat Surface
Sample material: metallic iron
Elements: Fe
Sample composition: Fe
Data acquisition parameters:
Pass energy: 15
Take-off angle: 90
Equipment and analysis software:
Brand: ThermoFisher
Model: Alpha 110
Spectrometer mode: small area, large angle
Software used: Analyzer
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Engr. Dulce María Guzmán Bucio

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Metallic iron

Fe 2p peak-fitting in hematite

Fitting of intrinsic signals from the Fe 2p core level from a partially oxidized sample

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Dr. Alberto Herrera-Gomez

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