Crystal Structure and Morphology of Fine Particles of Vanadium Silicides

概要

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In this experiment, fine particles of various vanadium silicides were made by the gas-evaporation technique. The structure and morphology of the particles were observed by electron microscope. The A15 structure was found to appear at 20.0 and 25.0 at. %Si, while the D8_8 and D8_m structures appeared at 35.2 and 37.5 at. %Si. The particles were surrounded by crystallographic planes with low Miller's indices characteristic of each structure. At 30.0 and 32.7 at. %Si, two types of particle were observed; one containing the A15 and D8_m structures and the other the A15 and D8_8 structures. In the respective particles, the lattice relationships (001)A15//(001)D8_m. and [100]A15//[100]D8m, and (001)A15//(001)D8_8 and [110]A15//[120]D8_8, were found. These can be ascribed to the resemblance between the structures.
社団法人応用物理学会の論文
1983-01-20