Figure 1
From: Vacancy-controlled ultrastable nanoclusters in nanostructured ferritic alloys
(Zhang). Atom maps revealing the formation of Y-Ti-O enriched nanoclusters in the as-milled specimen (a) and the specimens annealed at 500°C for (b) 1 h, (c) 10 h and (d) 24 h. Solute clustering occur during mechanical alloying and some large solute clusters nucleate, forming the Ti-Y-O nanoclusters (circled in Fig. 1a).
