Research Article

Microstructure, Mössbauer, and Optical Characterizations of Nanocrystalline 𝜶-Fe𝟐O𝟑 Synthesized by Chemical Route

Figure 10

(a) Band gap estimation for unannealed (as-prepared) sample. (b) Band gap estimation for annealed sample.
406094.fig.0010a
(a)
406094.fig.0010b
(b)