Critical analysis of the charge-state dependence of the energy loss of channeled ions | Zendy

J. A. Golovchenko | Zendy; D. E. Cox | Zendy; A.N. Goland | Zendy

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Critical analysis of the charge-state dependence of the energy loss of channeled ions

Author(s) -

J. A. Golovchenko,

D. E. Cox,

A.N. Goland

Publication year - 1982

Publication title -

physical review. b, condensed matter

Language(s) - English

Resource type - Journals

eISSN - 1095-3795

pISSN - 0163-1829

DOI - 10.1103/physrevb.26.2335

Subject(s) - ion , stopping power , atomic physics , physics , charge (physics) , silicon , electron , energy (signal processing) , nuclear physics , quantum mechanics , optoelectronics

A critical analysis of channeled-ion energy-loss experiments is presented with the goal of commenting on the presence of the Barkas effect of Z/sub 1//sup 3/ corrections to the stopping power. Accurate charge-density values are obtained for silicon and used to evaluate Bloch and straggling effects in the data. The remaining contributions to the data show a clear Z/sub 1//sup 3/ dependence that can be explained with an electron-gas model for the Barkas effect.

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