The particle spectra in multicomponent collision cascades

The origin of an apparent difficulty found in recent analytical calculations of the flux of particles within a multicomponent collision cascade was investigated. According to the results in this paper, such an inaccuracy stems from the fact that the assumptions used to solve the transport equation d...

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Bibliographic Details
Published inJournal of physics. D, Applied physics Vol. 38; no. 22; pp. 4126 - 4130
Main Author Jakas, Mario M
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 21.11.2005
Institute of Physics
Subjects
Atomic, molecular, and ion beam impact and interactions with surfaces
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electron and ion emission by liquids and solids; impact phenomena
Exact sciences and technology
Impact phenomena (including electron spectra and sputtering)
Physics
Ion beam effects
Theoretical study
Transport equation
Analytical solution
Ion-surface impact
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Summary:The origin of an apparent difficulty found in recent analytical calculations of the flux of particles within a multicomponent collision cascade was investigated. According to the results in this paper, such an inaccuracy stems from the fact that the assumptions used to solve the transport equation do not hold. Both exact numerical calculations of the transport equation as well as computer simulations show this to be the case, and a number of cases appear to exist for which approximate analytical solutions previously obtained by Vicanek et al fail to produce the right results.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0022-3727
1361-6463
DOI:10.1088/0022-3727/38/22/017