Structural, optical and magnetic properties of the Fe₂TiO₅ nanopowders

Figures & data

Figure 1. Flowchart for the preparation of Fe₂TiO₅ nanopowders.

Figure 2. X-ray diffraction patterns of Fe₂TiO₅ powders calcined at (a) 700°C; (b) 800°C and (c) 900°C.

Figure 3. SEM images of Fe₂TiO₅ nanostructures synthesised at (a) 800°C and (b) 900°C.

Figure 4. TEM image of Fe₂TiO₅ powders calcined at 900°C for 2 h.

Figure 5. FTIR spectra of the Fe₂TiO₅ powders calcined at 900°C.

Figure 6. VSM curves of Fe₂TiO₅ powders calcined at 900°C.

Figure 7. Heat capacities of Fe₂TiO₅ by DSC.

Figure 8. (Colour online) Absorption versus wavelength behaviour of Fe₂TiO₅ at 900°C by DRS.

Figure 9. Tauc plot exhibiting (αhν)² versus photon energy (hν) for the calculation of direct band gap of Fe₂TiO₅ by extrapolating on hν axis α = 0.