Figure 4

Fresh HZSM-5 APT results.

(a–c) Ion maps of Si, O, and Al; (d–f) a 2D composition map across a 1 nm × 25 nm × 30 nm volume slice of Si, O, and Al; (g) a 2D ion density map; and (h) a proximity histogram across 3 at% Al iso-concentration surfaces.