Figure 4 | Scientific Reports

Figure 4

From: The Wyckoff positional order and polyhedral intergrowth in the M3B2- and M5B3-type boride precipitated in the Ni-based superalloys

Figure 4

Polyhedron stacking in M3B2-, M5B3- and M2B-type boride.

(a)–(c) Schematic illustrations showing the atomic configurations in M3B2 (D5a), M5B3 (D81), M2B (C16) phase, respectively. The basic polyhedron of trigonal prism and anti-square prism in each structure are shadowed. The [001] stacking direction in each structure is arrowed. For single polyhedron, the metal atoms M occupy the vertex positions and the B atom occupies the central position.

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