Classical Theory of Atomic Collisions. I. Theory of Inelastic Collisions

Gryziński, M.

doi:10.1103/physrev.138.a336

Cited by 1,218 publications

(468 citation statements)

References 45 publications

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“…3 However, the BEB cross sections calculated from Eq. (1) do not agree well with the experimental data on radicals containing fluorine, CF', SF,, and NF,, although the BEB cross sections for the stable molecules CF 4 and SF 6 agree well with experiments.…”

Section: Comparisons To Experiments and Other Theoriessupporting

confidence: 33%

“…The siBED cross sections are in excellent agreement with the experimental data on CF,, NF,, and SF. Neutral dissociation amounts to about 20% of the total ionization cross section in CF 4 . 22 We found that the difference between the experimental ionization cross section measured by Nishimura 15 and the BEB cross section 5 closely follows the shape of the measured cross section for the neutral dissociation,' 5 strongly indicating that about one-half of the neutral dissociation comes from energy transfers exceeding the ionization energy of CF 4 .…”

Section: Comparisons To Experiments and Other Theoriesmentioning

confidence: 99%

“…The classical theory by Gryzinski 4 does not require empirical parameters, but it works well only on single-orbital molecules such as H2. Other models, such as the DM formalism, 5 contain empirical parameters the choice of which is not always transparent when a user wants to apply the theory to a new class of molecules.…”

Section: Introductionmentioning

confidence: 99%

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Total Ionization Cross Sections of Molecules by Electron Impact

Kim

2004

Gaseous Dielectrics X

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Section: Comparisons To Experiments and Other Theoriessupporting

confidence: 33%

Section: Comparisons To Experiments and Other Theoriesmentioning

confidence: 99%

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Total Ionization Cross Sections of Molecules by Electron Impact

Kim

2004

Gaseous Dielectrics X

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“…N e is the effective number of equivalent electrons in the initial state of the transition and can be set to two and one in case of the ground state and electronically excited states of the hydrogen molecule, respectively. σ 0 is equal to 6.56 · 10 −18 m 2 eV 2 [24] and E thr is the lower limit of the energy gain (i.e. the threshold energy).…”

Section: Ionization Cross Sectionsmentioning

confidence: 99%

“…The classical framework developed by Gryzinski [24,25] and rephrased by Bauer [25] provides a set of simple equations which describe cross sections for different kinds of energy transfer to atoms or molecules. In principle, these equations are based on the classical model by Thomson [26].…”

Section: Ionization Cross Sectionsmentioning

confidence: 99%

Vibrationally resolved ionization cross sections for the ground state and electronically excited states of the hydrogen molecule

Wünderlich

2011

Chemical Physics

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Ionization cross sections for the hydrogen molecule have been calculated by applying the classical Gryzinski theory combined with the Franck-Condon theory. It is shown that -if the reaction channels, Franck-Condon factors and Franck-Condon densities are taken into account properly -the calculated cross sections for ionization of the molecular ground state X 1 Σ + g (v ′ = 0) are in almost perfect agreement with the latest and most reliable experimental results. A comprehensive database is established which includes vibrationally resolved cross sections for non-dissociative and dissociative ionization of the molecular ground state as well as for the first five non-repulsive electronically excited states in the molecule.

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Backscattering Factor for KLL Auger Yield from Film-Substrate Systems

Lee

Kong

Gong

et al. 1996

Surf. Interface Anal.

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Backscattering factor (R) between primary energies of 2–40 keV for film–substrate KLL Auger backscattering yield (RFS) is calculated via Monte Carlo simulation for C and Al films. Substrates ranging from Be (Z=4.0) to Au (Z=79.0) are used in the study. Results via a normalizedRFS (RN) function show that substrate effects are indeed present. This is especially so at higher primary energies and lower film atomic number. Electron range results also show that an important and meaningful quantity to describe the backscattering Auger yield with respect to film thickness is the mean backscattered energy penetration depth. This is found to be essentially different from the half‐maximum electron range as proposed earlier. A power law can be used to describe the half‐value range (i.e. the thickness for whichRN=0.5) with respect to primary energy. For Al film, however, a discontinuity in the power law is found for energies <4 keV. This is attributed mainly to the relatively large binding energy of the Al K‐shell and also to the greater variation of the K‐shell cross‐section within the backscattered energy spectrum. A new analytical interpolation formula is proposed to calculateRFS. This model accounts for substrate effects at only primary energies >4 keV. At lower energies mean values are used instead. Besides the fitted parameters from our results, known bulkR expressions for film and substrate are also required for the practical use of the model.

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Classical Theory of Atomic Collisions. I. Theory of Inelastic Collisions

Cited by 1,218 publications

References 45 publications

Total Ionization Cross Sections of Molecules by Electron Impact

Total Ionization Cross Sections of Molecules by Electron Impact

Vibrationally resolved ionization cross sections for the ground state and electronically excited states of the hydrogen molecule

Backscattering Factor for KLL Auger Yield from Film-Substrate Systems

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