Figure 1 | Scientific Reports

Figure 1

From: Extra-electron induced covalent strengthening and generalization of intrinsic ductile-to-brittle criterion

Figure 1

Comparison of the lattice structures between FCC Al and Al12X.

(a), Supercell (2×2×2) of FCC Al.Here, Al atoms are classified into three types: Al1, Al2 and Al3. (b), Unit cell of Al12X. The small and large balls denote aluminum and X atoms, respectively. The Al12W-type structure is closely correlated with the FCC supercell when Al1 atom is replaced by a valence electron rich transition metal element X and the Al3 atoms have been removed.

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