Figure 7
Diffraction pattern of Fe3O4 (raw data) at 16.3 GPa and 570 K. The top line is a Rietveld fit through the data; the difference curve is given below. The small reflections at 5.3 and 6.5° are due to a small amount of hematite which was included in the fit (lower tickmarks). λ = 0.246 Å. |