Dechannelling of Fast Charged Particle from Planar Channel Based on the Stochastic Theory

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概要

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• The probabilities of scattering of planar chanu?elljng particles by electrons andthermal vibrations of atoms are derived. Using tltese probabilities, a FoJcker-Planck equation to describe the behaviour of chanvaelling particles in the trans-verse energy space is obtained. The decrease of the frztction of channelling particleswith peztetration depth, i.e., dechannelling, is calculated by solving the Folcker-Planck equation nutnerically. The results show good agreenaent with the experi-mental data of dechantaelling of I-I" ions iua (110) channels of germanium andsilicon. It is also demonstrated from numerical caulculatiotas that the ordinarydiffusion equatiota can be approximated to the Foklner-Planck equation.

• 社団法人日本物理学会の論文
• 1980-07-15

著者

• Oshiyama Takashi

  Department Of Physics Faculty Of Science Kyoto University

関連論文

• Dechannelling of Fast Ions at Dislocation
• A Diffusion Model of Planar Channelling of Fast Charged Particles : Backscattered Energy Spectra and Diffusion Constant
• Determination of Defect Distribution in Single Crystals by Channelling of Fast Charged Particles
• Planar Dechannelling of Energetic Ions at Dislocations. : I. Dependence of Dechannellling Cross-Section on Density of Dislocations
• Dechannelling Model Based on the Stochastic Theory for the Axial Channelling Particles
• Dechannelling of Fast Charged Particle from Planar Channel Based on the Stochastic Theory

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