Figure 3.

Rutherford backscattering channeling spectra of Ni, NiCo and NiFe, irradiated with 3 MeV Au ions to the fluences ranging from 2 × 10${}^{13}$ (a), 5 × 10${}^{13}$ (b), 1 × 10${}^{14}$ (c) to 5 × 10${}^{15}$ (d) ions cm${}^{-2}$ Reproduced from Reference [80].