Abstract
Systematic studies of α-particle elastic scattering and proton induced X-ray emission were conducted on NiCr films, and an accuracy of the order of 2.8% was obtained for Ni/Cr atomic ratio determination. The enhancements over the Rutherford cross-sections were determined for the mean cross-sections of 1.0–4.0 MeV α-particle elastic scattering on chromium and nickel. Deviations from Rutherford predictions are reported, and similar measurements on other selected elements are proposed. The semiempirical cross-section data of Johansson for K α X-ray production by protons were verified by measuring the nickel/chromium ratio as a function of proton energy.
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