Abstract
Single crystals, with a typical size of several millimetres, of a decagonal phase with 1.6 nm periodicity in the Al–Ni–Ru system were grown successfully by the solution-growth method. The conditions for crystal growth were that the initial composition was Al80Ni16Ru4, the taking-out temperature 900–930°C and the cooling rate 2°C h−1. The lattice parameters were a = 0.2764(2) and c = 1.6523(5) nm, and the composition was in a small range around Al75.2Ni14.6Ru10.2. Single crystals of the orthorhombic Al13(Ni, Ru)4 phase and the monoclinic Al13(Ni, Ru)4 phase located at the high-Ni end also formed under slightly different conditions.
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