Detail publikace
On the influence of uncertainties in scattering potentials on quantitative analysis using keV ions
BRUCKNER, B. STRAPKO, T. SORTICA, M. BAUER, P. PRIMETZHOFER, D.
Anglický název
On the influence of uncertainties in scattering potentials on quantitative analysis using keV ions
Typ
článek v časopise ve Web of Science, Jimp
Jazyk
en
Originální abstrakt
Experimental spectra from Medium-Energy Ion Scattering were compared to Monte-Carlo simulations (employing the TRBS code) to obtain information on the scattering potential. The impact of uncertainties in the interatomic potential on quantification of sample properties such as thickness, composition or electronic stopping was investigated for different scattering geometries: backscattering and transmission. For backscattered He ions with tens of keV primary energy the scattering potential was found to overestimate the multiple scattering background in the energy spectra resulting in an uncertainty of < 3 % in quantitative analysis. Light ions transmitted through a sample for equivalent path length in the medium are only affected minorly by changes in the scattering potential. This effect becomes more distinct for heavier primary ions.
Anglický abstrakt
Experimental spectra from Medium-Energy Ion Scattering were compared to Monte-Carlo simulations (employing the TRBS code) to obtain information on the scattering potential. The impact of uncertainties in the interatomic potential on quantification of sample properties such as thickness, composition or electronic stopping was investigated for different scattering geometries: backscattering and transmission. For backscattered He ions with tens of keV primary energy the scattering potential was found to overestimate the multiple scattering background in the energy spectra resulting in an uncertainty of < 3 % in quantitative analysis. Light ions transmitted through a sample for equivalent path length in the medium are only affected minorly by changes in the scattering potential. This effect becomes more distinct for heavier primary ions.
Klíčová slova anglicky
Medium-Energy Ion Scattering; Low-Energy Ion Scattering; Interaction potential; Screening corrections; Monte-Carlo simulations
Vydáno
01.05.2020
Nakladatel
ELSEVIER
Místo
AMSTERDAM
ISSN
0168-583X
Ročník
470
Číslo
1
Strany od–do
21–27
Počet stran
7
BIBTEX
@article{BUT177353,
author="Barbara {Bruckner} and Tomáš {Strapko} and Mauricio {Sortica} and Peter {Bauer} and Daniel {Primetzhofer},
title="On the influence of uncertainties in scattering potentials on quantitative analysis using keV ions",
year="2020",
volume="470",
number="1",
month="May",
pages="21--27",
publisher="ELSEVIER",
address="AMSTERDAM",
issn="0168-583X"
}