Figure 1
From: Observation of antiferromagnetic order collapse in the pressurized insulator LaMnPO
Temperature dependencies of the electrical resistance for the LaMnPO single crystal, measured at different pressures and resistance as a function of pressure at different fixed temperatures.
(a) Resistance-Temperature (R-T) curves measured in the pressure range 11.7–37.8 GPa, displaying a remarkable pressure-induced suppression of the insulating behavior. (b) Selected R-T curves measured in the pressure range 19.6–37.8 GPa, show an intermediary phase featuring a resistance hump. The temperature T′ represents the temperature with the maximum resistance, as indicated by the arrow. This hump phenomenon lies in the pressure range 20.8–25.5 GPa and is completely suppressed at 28.5 GPa and above, where the system enters into a fully metallic state. (c) The pressure dependence of the resistance obtained at different fixed temperatures, exhibiting a critical pressure (PC) of the transition from the insulating state to metallic state in LaMnPO.
