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COLLISION CASCADE [1 record]

Record 1 2009-09-18

English

Subject field(s)
  • Atomic Physics
DEF

A set of nearby adjacent energetic (much higher than ordinary thermal energies) collisions of atoms induced by an energetic particle in a solid or liquid.

French

Domaine(s)
  • Physique atomique
CONT

La création d'un défaut par choc élastique, résultat d'un transfert d'énergie cinétique de la particule incidente vers l'atome cible. Lorsque ce transfert est suffisant, l'atome choqué peut à son tour déplacer d'autres atomes et donner naissance à une cascade de déplacements.

CONT

Simulation par dynamique moléculaire d'une cascade de déplacements dans le fer produite par une collision ayant cédé 10 keV au premier atome frappé [...]

Spanish

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