Figure 2
Lattice parameters a, c and the relative volume V/Vo plotted as a function of pressure. The solid curve for the relative volume represents a fit to the third-order Birch–Murnaghan equation-of-state with bulk modulus Bo = 29.2 (4) GPa and its pressure derivative = 10.1 (3), as described in the text. The estimated standard deviations on a, c and V/Vo are smaller than the plotted symbols and the solid curves for the lattice parameters a, c are guides to the eye. |