Localization of atoms of carbon in the crystal lattice of nickel

Channeling of accelerated protons technique was used for determination of carbon atoms location in Ni crystal lattice. 13C isotope was dissolved in Ni samples. At angular scan near crystal axis <110> and plane (100) gamma-rays yield of resonance reaction 13C(p, gamma)14N and backscattered on Ni nuclei protons was measured. It was shown that at concentration level 0.18 at. % carbon atoms located in octahedral voids, and at concentration level 0.46 at. % carbon atoms located in tetrahedral voids of nickel