Influence of recoil effect and surface excitations on the inelastic mean free paths of electrons in polymers

B. Lesiak, A. Kosiński, A. Jablonski, A. Sulyok, G. Gergely, J. Tóth, D. Varga

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In this work, the influence of recoil effect and surface excitations on the inelastic mean free paths for polythiophenes is investigated. The inelastic mean free paths of electrons in polythiophenea are measured with the elastic peak electron spectroscopy method using the Ag standard and the electron elastic scattering cross-sections from the database NIST 3.1 in the electron kinetic energy range 200-5000 eV. The Monte Carlo model is applied for evaluating the electron backscattering intensities from the polymers and the Ag standard, as well as for evaluating electrons quasi-elastically backscattered from atoms of different atomic numbers (the recoil effect). The surface excitation corrections are accounted for using the formalism of Chen, with the material parameters for polythiophenes evaluated from the elastic peak electron spectroscopy method. Deviations due to recoil effect and surface excitations to the inelastic mean free paths are compared and discussed. Correction to the inelastic mean free paths due to recoil effect is considerable but is smaller, however, than the correction due to surface excitations. Accounting for recoil effect and surface excitations leads to improvement of the inelastic mean free paths, as compared to the inelastic mean free paths resulting from the predictive formulae of Gries.

Original languageEnglish
Pages (from-to)789-800
Number of pages12
JournalActa Physica Polonica A
Volume109
Issue number6
Publication statusPublished - Jun 2006

Fingerprint

mean free path
polymers
excitation
electrons
electron spectroscopy
scattering cross sections
backscattering
elastic scattering
electron scattering
kinetic energy
formalism
deviation
atoms

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Influence of recoil effect and surface excitations on the inelastic mean free paths of electrons in polymers. / Lesiak, B.; Kosiński, A.; Jablonski, A.; Sulyok, A.; Gergely, G.; Tóth, J.; Varga, D.

In: Acta Physica Polonica A, Vol. 109, No. 6, 06.2006, p. 789-800.

Research output: Contribution to journalArticle

Lesiak, B. ; Kosiński, A. ; Jablonski, A. ; Sulyok, A. ; Gergely, G. ; Tóth, J. ; Varga, D. / Influence of recoil effect and surface excitations on the inelastic mean free paths of electrons in polymers. In: Acta Physica Polonica A. 2006 ; Vol. 109, No. 6. pp. 789-800.
@article{507a6120922d4021990a752de97df479,
title = "Influence of recoil effect and surface excitations on the inelastic mean free paths of electrons in polymers",
abstract = "In this work, the influence of recoil effect and surface excitations on the inelastic mean free paths for polythiophenes is investigated. The inelastic mean free paths of electrons in polythiophenea are measured with the elastic peak electron spectroscopy method using the Ag standard and the electron elastic scattering cross-sections from the database NIST 3.1 in the electron kinetic energy range 200-5000 eV. The Monte Carlo model is applied for evaluating the electron backscattering intensities from the polymers and the Ag standard, as well as for evaluating electrons quasi-elastically backscattered from atoms of different atomic numbers (the recoil effect). The surface excitation corrections are accounted for using the formalism of Chen, with the material parameters for polythiophenes evaluated from the elastic peak electron spectroscopy method. Deviations due to recoil effect and surface excitations to the inelastic mean free paths are compared and discussed. Correction to the inelastic mean free paths due to recoil effect is considerable but is smaller, however, than the correction due to surface excitations. Accounting for recoil effect and surface excitations leads to improvement of the inelastic mean free paths, as compared to the inelastic mean free paths resulting from the predictive formulae of Gries.",
author = "B. Lesiak and A. Kosiński and A. Jablonski and A. Sulyok and G. Gergely and J. T{\'o}th and D. Varga",
year = "2006",
month = "6",
language = "English",
volume = "109",
pages = "789--800",
journal = "Acta Physica Polonica A",
issn = "0587-4246",
publisher = "Polish Academy of Sciences Publishing House",
number = "6",

}

TY - JOUR

T1 - Influence of recoil effect and surface excitations on the inelastic mean free paths of electrons in polymers

AU - Lesiak, B.

AU - Kosiński, A.

AU - Jablonski, A.

AU - Sulyok, A.

AU - Gergely, G.

AU - Tóth, J.

AU - Varga, D.

PY - 2006/6

Y1 - 2006/6

N2 - In this work, the influence of recoil effect and surface excitations on the inelastic mean free paths for polythiophenes is investigated. The inelastic mean free paths of electrons in polythiophenea are measured with the elastic peak electron spectroscopy method using the Ag standard and the electron elastic scattering cross-sections from the database NIST 3.1 in the electron kinetic energy range 200-5000 eV. The Monte Carlo model is applied for evaluating the electron backscattering intensities from the polymers and the Ag standard, as well as for evaluating electrons quasi-elastically backscattered from atoms of different atomic numbers (the recoil effect). The surface excitation corrections are accounted for using the formalism of Chen, with the material parameters for polythiophenes evaluated from the elastic peak electron spectroscopy method. Deviations due to recoil effect and surface excitations to the inelastic mean free paths are compared and discussed. Correction to the inelastic mean free paths due to recoil effect is considerable but is smaller, however, than the correction due to surface excitations. Accounting for recoil effect and surface excitations leads to improvement of the inelastic mean free paths, as compared to the inelastic mean free paths resulting from the predictive formulae of Gries.

AB - In this work, the influence of recoil effect and surface excitations on the inelastic mean free paths for polythiophenes is investigated. The inelastic mean free paths of electrons in polythiophenea are measured with the elastic peak electron spectroscopy method using the Ag standard and the electron elastic scattering cross-sections from the database NIST 3.1 in the electron kinetic energy range 200-5000 eV. The Monte Carlo model is applied for evaluating the electron backscattering intensities from the polymers and the Ag standard, as well as for evaluating electrons quasi-elastically backscattered from atoms of different atomic numbers (the recoil effect). The surface excitation corrections are accounted for using the formalism of Chen, with the material parameters for polythiophenes evaluated from the elastic peak electron spectroscopy method. Deviations due to recoil effect and surface excitations to the inelastic mean free paths are compared and discussed. Correction to the inelastic mean free paths due to recoil effect is considerable but is smaller, however, than the correction due to surface excitations. Accounting for recoil effect and surface excitations leads to improvement of the inelastic mean free paths, as compared to the inelastic mean free paths resulting from the predictive formulae of Gries.

UR - http://www.scopus.com/inward/record.url?scp=33745612050&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=33745612050&partnerID=8YFLogxK

M3 - Article

VL - 109

SP - 789

EP - 800

JO - Acta Physica Polonica A

JF - Acta Physica Polonica A

SN - 0587-4246

IS - 6

ER -