107178.fig.004a
(a)
107178.fig.004b
(b)
107178.fig.004c
(c)
Figure 4: Observed electron diffuse scattering from PZT. (a) with (rhombohedral phase) viewed down the zone axis ( means relative to the cubic parent structure). (b) (monoclinic) viewed down . (c) (tetragonal) viewed down . Some reflections and lines of scattering have been marked.