- Access by Xinjiang University
Channeling of and Ions in Gold Crystals
Phys. Rev. 151, 341 – Published 4 November, 1966
DOI: https://doi.org/10.1103/PhysRev.151.341
Abstract
The transmitted intensity of and ions through gold crystals in the forward direction is measured as a function of crystal orientation for energies near 15 keV. The gold crystals have a (100) orientation and are mounted in a goniometer which can tilt the foil normal up to 60° away from the incident beam direction and which can rotate the foil about its normal. The detector can be tilted relative to the beam direction up to a maximum angle of 58°. Pronounced peaks are found in the transmitted intensity at low-index directions. Both directional and planar channeling are present. The peak widths are successfully interpreted in terms of a channel-entrance peak width and a channel-exit peak width. Energy analysis shows that the energy of the transmitted ions also has peaks in the low-index directions. The experimental values for the energy loss of the randomly scattered part of the ion beam agree with the theoretical predictions.
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