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Angular Distributions of Secondary Electrons Emitted from the Polycrystalline Silver

100%
Doliński W., Palczyński J., Mazur P., Gieniec L.
Acta Physica Polonica A
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1992
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vol. 81
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issue 2
211-222
EN
The angular distributions of secondary electrons (including Auger electrons) of different energies emitted from polycrystalline silver bombarded with primary electrons (E_{p} = 1000 and 2500 eV) were measured with a RFA analyzer equipped with an additional collector (acceptance angle ≈ 4°). Additionally, the angular distributions of primary electrons of different energies elastically backscattered from the same sample were also investigated by means of a specially constructed rotable RFA analyzer equipped with a channeltron. The results obtained show the cosine distribution of secondary and Auger electrons emitted as shown previously in the literature. The angular distributions of electrons backscattered elastically depend on electron energy and are in good agreement with theoretical calculations (Monte Carlo simulation of primary electrons trajectories in solids) proposed by Jabłoński.
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Determination of Inelastic Mean Free Path of Electrons in Noble Metals

76%
Doliński W., Mróz S., Palczyński J., Gruzza B., Bondot P., Porte A.
Acta Physica Polonica A
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1992
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vol. 81
|
issue 2
193-199
EN
The experimental values of Inelastic Mean Free Path (λ_{IMFP}) of electrons in noble metals (Ag, Au, Cu) are determined in the electron energy range 150-2000 eV. The method used consists of the measurements and theoretical calculations of the coefficient of elastic backscattering of electrons from a solid surface η_{e}. The obtained values of λ_{IMFP} are compared with the data available in the literature.
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