Nanosized f.c.c. thallium inclusions in aluminium
1993
Abstract Ion implantation of pure aluminium with thallium induces the formation of nanosized crystalline inclusions of thallium with a f.c.c. structure. The size of the inclusions depends on the implantation conditions and subsequent annealing treatments, and is typically in the range from 1 to 10 nm. The inclusions are aligned topotactically with the aluminium matrix with a cube-cube orientation relationship, and they have a truncated octahedral shape bounded by {111} and (001) planes. The lattice parameter of the f.c.c. thallium inclusions is 0.484±0.002 nm, which is slightly but significantly larger than in the high-pressure f.c.c. thallium phase known to be stable above 3.8 GPa.
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