Abstract
Amorphous ribbons of Nb79Si21 were formed using the melt spinning technique. These were then implanted with nitrogen ions to form uniform surface layers of 1 and 2 at. % N. The A15 phase formed between annealing temperatures of 650–750 °C. The lattice parameter was 0.514 nm and the superconducting transition temperature was 6 K. To our knowledge, previous attempts to synthesize A15 Nb3Si from amorphous solids have required the application of very high pressures.
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