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Abstract
The large unit cell c-Ti2Ni phase (Fd3m, a= 1.1278 nm) is shown to be a valuable approximant crystalline phase by the study of its local order in direct space and the distribution of intense peaks in reciprocal space. After annealing of amorphous melt-spun TiNiV ribbons, c-Ti2Ni is obtained together with a small volume fraction of another phase, for which only a few peaks on X-Ray diffraction patterns are visible. Only a 6D indexation scheme was found to be suitable to explain these peaks. However, we do not observe this phase by TEM.