6533b7ddfe1ef96bd12746a0
RESEARCH PRODUCT
Monte-Carlo calculations of keV electron and positron slowing down in solids
Seppo ValkealahtiRisto M. Nieminensubject
PhysicsElastic scatteringPhysics and Astronomy (miscellaneous)SiliconMonte Carlo methodGeneral Engineeringchemistry.chemical_elementGeneral ChemistryElectronPositronchemistryGeneral Materials ScienceAtomic physicsThin filmValence electronExcitationdescription
A Monte-Carlo simulation technique based on the screened Rutherford differential cross section for the elastic scattering and Gryzinski's semiempirical expression for the inelastic core and valence electron excitation is used to describe electrons and positrons slowing down in solids. The theoretical results are compared with the experimental backscattering, absorption and transmission results for aluminum, silicon, copper, and gold thin film and semi-infinite targets and good agreement is observed. The simulated stopping profiles are fitted with a simple analytic expression. The profiles are Laplace-transformed to give a useful data base for analyzing phenomena associated with slow positron re-emission from solids.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1983-10-01 | Applied Physics A Solids and Surfaces |