Stepwise Growth of Hollow Hexagonal α-Fe₂O₃ Nanocrystals

Figure 3

TEM image of single hexagonal α-Fe₂O₃ nanostructure; (b) SAED pattern of α-Fe₂O₃ particle in (a); the HRTEM images of the selected areas in (a) are shown in (c) and (d).

(a)

(b)

(c)

(d)