A self-consistent multiple-peak structure of the photoemission spectra of metallic Fe 2p as a function of film thickness

Alberto Herrera-Gomez; Orlando Cortazar-Martínez; Jesus Fernando Fabian-Jocobi; Abraham Carmona-Carmona; Joaquin Gerardo Raboño-Borbolla; Mariela Bravo-Sanchez; Jorge Adalberto Huerta-Ruelas

doi:10.1002/sia.6796

A self-consistent multiple-peak structure of the photoemission spectra of metallic Fe 2p as a function of film thickness

Alberto Herrera-Gomez, Orlando Cortazar-Martínez, Jesus Fernando Fabian-Jocobi, Abraham Carmona-Carmona, Joaquin Gerardo Raboño-Borbolla, Mariela Bravo-Sanchez, Jorge Adalberto Huerta-Ruelas

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5 Scopus citations

Abstract

The Fe 2p spectrum has a very complex peak structure and a very strong background. Based on the comparison of the spectra for iron film with varying thicknesses, an experimental multiple-peak structure for the metallic Fe 2p spectrum is proposed. The analysis required the use of state-of-the-art background modeling (including the active approach) and peak-fitting methods (including the simultaneous fitting method). A key aspect that allowed for this analysis is that the peak components are the same for various Fe film thicknesses, but with varying relative intensities. The early stages of oxidation are analyzed. The angular dependence of the peak components is also discussed.

Original language	English
Pages (from-to)	591-599
Number of pages	9
Journal	Surface and Interface Analysis
Volume	52
Issue number	9
DOIs	https://doi.org/10.1002/sia.6796
State	Published - 1 Sep 2020
Externally published	Yes

Keywords

active background approach
correlated-SVSC background
oxidation early stages
share-parameters hypothesis
simultaneous fitting method
slope background

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10.1002/sia.6796

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title = "A self-consistent multiple-peak structure of the photoemission spectra of metallic Fe 2p as a function of film thickness",

abstract = "The Fe 2p spectrum has a very complex peak structure and a very strong background. Based on the comparison of the spectra for iron film with varying thicknesses, an experimental multiple-peak structure for the metallic Fe 2p spectrum is proposed. The analysis required the use of state-of-the-art background modeling (including the active approach) and peak-fitting methods (including the simultaneous fitting method). A key aspect that allowed for this analysis is that the peak components are the same for various Fe film thicknesses, but with varying relative intensities. The early stages of oxidation are analyzed. The angular dependence of the peak components is also discussed.",

keywords = "active background approach, correlated-SVSC background, oxidation early stages, share-parameters hypothesis, simultaneous fitting method, slope background",

author = "Alberto Herrera-Gomez and Orlando Cortazar-Mart{\'i}nez and Fabian-Jocobi, {Jesus Fernando} and Abraham Carmona-Carmona and Rabo{\~n}o-Borbolla, {Joaquin Gerardo} and Mariela Bravo-Sanchez and Huerta-Ruelas, {Jorge Adalberto}",

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T1 - A self-consistent multiple-peak structure of the photoemission spectra of metallic Fe 2p as a function of film thickness

AU - Herrera-Gomez, Alberto

AU - Cortazar-Martínez, Orlando

AU - Fabian-Jocobi, Jesus Fernando

AU - Carmona-Carmona, Abraham

AU - Raboño-Borbolla, Joaquin Gerardo

AU - Bravo-Sanchez, Mariela

AU - Huerta-Ruelas, Jorge Adalberto

PY - 2020/9/1

Y1 - 2020/9/1

N2 - The Fe 2p spectrum has a very complex peak structure and a very strong background. Based on the comparison of the spectra for iron film with varying thicknesses, an experimental multiple-peak structure for the metallic Fe 2p spectrum is proposed. The analysis required the use of state-of-the-art background modeling (including the active approach) and peak-fitting methods (including the simultaneous fitting method). A key aspect that allowed for this analysis is that the peak components are the same for various Fe film thicknesses, but with varying relative intensities. The early stages of oxidation are analyzed. The angular dependence of the peak components is also discussed.

AB - The Fe 2p spectrum has a very complex peak structure and a very strong background. Based on the comparison of the spectra for iron film with varying thicknesses, an experimental multiple-peak structure for the metallic Fe 2p spectrum is proposed. The analysis required the use of state-of-the-art background modeling (including the active approach) and peak-fitting methods (including the simultaneous fitting method). A key aspect that allowed for this analysis is that the peak components are the same for various Fe film thicknesses, but with varying relative intensities. The early stages of oxidation are analyzed. The angular dependence of the peak components is also discussed.

KW - active background approach

KW - correlated-SVSC background

KW - oxidation early stages

KW - share-parameters hypothesis

KW - simultaneous fitting method

KW - slope background

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DO - 10.1002/sia.6796

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JO - Surface and Interface Analysis

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ER -

A self-consistent multiple-peak structure of the photoemission spectra of metallic Fe 2p as a function of film thickness

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Keywords

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