Figure 6From: Ordered GeSi nanorings grown on patterned Si (001) substrates Distribution of lateral sizes. (a) pits after etching, (b) pits with QDs therein and diameters of (c) ordered QDs, (d) ordered nanorings grown at 610°C, (e) ordered nanorings grown at 640°C and (f) ordered nanorings grown at 610°C and then annealed at 610°C for 30 min. (g) Summary of the mean values.Back to article page