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Figure 4
Pressure dependence of the a and b lattice parameters and volume. Inset shows b/a lattice parameter ratio. Blue and pink backgrounds indicate A21am and Acaa phases, respectively. The first data point at 0 GPa was collected in cell but prior to gas-loading with He. Pressure error bars are smaller than size of markers. |

journal menu![[Figure 4]](yh5041fig4.jpg)
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