期刊
出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nimb.2004.08.014
关键词
GEANT4; screened scattering; coulomb scattering; elastic recoils; nuclear stopping power; NIEL; non-ionizing energy loss; TRIM; SRIM; displacement damage
An algorithm has been developed for the GEANT4 Monte-Carlo package for the efficient computation of screened Coulomb interatomic scattering. It explicitly integrates the classical equations of motion for scattering events, resulting in precise tracking of both the projectile and the recoil target nucleus. The algorithm permits the user to plug in ail arbitrary screening function, such as Lens-Jensen screening, which is good for backscattering calculations, or Ziegler-Biersack-Littmark screening, which is good for nuclear straggling and implantation problems. This will allow many of the applications of the TRIM and SRIM codes to be extended into the much more general GEANT4 framework where nuclear and other effects can be included. (C) 2004 Elsevier B.V. All rights reserved.
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