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Figure 3
(a) Pressure–volume data of Sr2CO4 (this study) and Ca2CO4 (Binck et al., 2021 ) between 1 bar and 100 GPa. The data is fitted with a third-order Birch–Murnaghan equation of state yielding K0 = 99.7 (7) GPa, K0′ = 4.39 (2) and V0 = 344.4 (2) Å3. (b) Evolution of the unit-cell parameters of Sr2CO4. The red, green and blue symbols refer to the a, b and c unit-cell parameters, respectively. |
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