Epitactic textures of fcc Al on icosahedral Al-Pd-Mn quasicrystal

An aluminum film is deposited on the fivefold-symmetric surface of icosahedral Al-Pd-Mn quasicrystal. Its orientation with respect to the bulk structure is studied using low-energy electron diffraction. It is found that Al nanocrystals grow in the face-centered cubic structure in five different sets of domains composing the film, and that their [111] axes are aligned parallel to one of five threefold-symmetry axes of the substrate quasicrystal at 37.37^∘ away from the surface normal.