Axial- to Planar-Channeling Transition
- 1 May 1973
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 7 (9), 4029-4041
- https://doi.org/10.1103/physrevb.7.4029
Abstract
Axial and planar channeling of 1.0- to 2.8-MeV protons in silicon was studied both by transmission in some μm-thick crystals and by Rutherford backscattering. Transmission experiments were simulated by a Monte Carlo program. A sharp transition between axial and planar channeling is observed by measuring both the effective stopping number of channeled particles and the dechanneled fraction. Computer simulations exhibit the same features and show that at the transition, the transverse energy component is such as to produce a maximum probability of hitting the atoms. These experiments also give some criteria for the interpretation of backscattering measurements.
Keywords
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