Vaporization and Thermodynamic Properties of the CeO2–TiO2 System by Knudsen Effusion Mass Spectrometry

Key Points

• The research aims to investigate the thermodynamic properties and vaporization of the CeO2–TiO2 system.
• Synthesized samples of the TiO2–CeO2 system using the ceramic method.
• Determined the phase composition using X-ray diffraction (XRD).
• Measured melting temperatures via visual polythermal analysis.
• Analyzed molecular vapor species and partial pressures across varied compositions.
• Calculated component activities and Gibbs energies at 2150 K.
• Identified phase composition across a range of compositions in the TiO2–CeO2 system.
• Measured melting temperatures indicative of the system's property behavior.
• Calculated negative deviations from ideal behavior in the system.
• Determined component activities and excess Gibbs energies at high temperatures.

Abstract