Synchrotron XRD and transport data show RuO2 enters a Pbca phase above about 35 GPa and remains metallic to 120 GPa, contradicting both the Pa-3 phase assignment and a reported metallicity loss.
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Observation of a $Pbca$ phase and robust metallicity in $\rm{RuO_2}$ under pressure
Synchrotron XRD and transport data show RuO2 enters a Pbca phase above about 35 GPa and remains metallic to 120 GPa, contradicting both the Pa-3 phase assignment and a reported metallicity loss.