Fig. 2: Compression curve of rhenium.
From: The equations of state of nine materials up to 0.43 TPa for extreme pressure science
a Blue circles and diamonds are experimental observations of this study using t-DAC (run #1a) and conventional DAC (run #1b), respectively. Pressure is based on the copper scale21. Solid curve, orange and blue dotted curves are R–S EoS of this study, R–V EoS from Anzellini et al.41, and R–V EoS from Rech et al.53, respectively. The measured errors in the lattice volume are shown in the figure. b Volume differences relative to R–S EoS model. The result for each 3BM, R–V, AP2 EoS is also plotted as green, blue broken curve and orange dash-dot curve, respectively. The other symbols and curves are the same in Fig. 2a. Here, ΔV = 0.10 Å3 per unit cell (shaded area) is corresponding to the pressure difference of 10 GPa at around 400 GPa. Source data are provided in Supplementary Data 1 (Table S1), and the pressure can be calculated by using EoS parameters in Table 2 (R–S EoS) and Supplementary Data 1, Table S10 (3BM, R–V, AP2 EoS).
