Figure 5
From: Engineering self-organising helium bubble lattices in tungsten
W sample irradiated with 15 keV He ions at 773 K up to 1.1 × 1017 ions.cm−2 to 3.0 DPA: (a) BF-TEM image of a He bubble lattice close to the [111] zone axis with inset showing the corresponding FFT; (b) enlarged region of white dashed box in (a); (c) BF-TEM image of He bubble lattice close to the [011] zone axis with inset showing the corresponding FFT; and (d) enlarged region of white dashed box in (c).
