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Calibration of the Fe–Ir redox sensor at high pressure and the oxygen fugacity of laser heated diamond anvil cell experimentsNARA Subscribed
The Fe–Ir binary alloy has been calibrated up to 100 GPa as a part of a thermodynamic model (oxygen fugacity $${(f}_{{\text{O}}_{2}})$$ sensor system) to monitor the redox conditions during high–pressure and high–temperature petrology experiments. The existing Fe–Ir activity–composition relations at 1 bar and ~ 473–2873 K have been updated by including the pressure dependence on the activity–composition relations. We calibrate...