Figure 1: Motifs of (a) T type and (b) A type 7 GB along with the considered segregation sites at the GB. The experimental structures observed for the 7 GB in (c) pure Mg with the T type structure and (d) with Ga segregation with the A type structure.

Figure 1: Motifs of (a) T type and (b) A type 7 GB along with the considered segregation sites at the
GB. The experimental structures observed for the 7 GB in (c) pure Mg with the T type structure and
(d) with Ga segregation with the A type structure.