Programme

P.19 -- Posters, VCTP-50

Date: Tuesday, 5 August 2025

Time: 08:30 - 10:00

Study of the thermodynamic properties of SrZrO3 perovskite by the statistical moment method

Cao Huy Phuong (1,2) Vu Van Hung (3)

(1) Hung Vuong High School for the Gifted; (2) Hung Vuong University; (3) VNU University of Education

We investigate the thermodynamic properties of cubic- structure SrZrO3 perovskite using the statistical moment method (SMM). The closed analytic expresssion of the potential energy is obtained within approximation up to the fourth-order of the power moments of the atomic displacements and the analytic expressions of the thermodynamic quantities, such as the free energy, thermal expansion coefficients, and heat capacity at the constant volume and constant pressure of SrZrO3 are also derived. Using the suitable potential with patial charge, the numerical results of the thermodynamic quantities of SrZrO3 by the statistical moment method at various temperatures and pressures are obtained and comparared with the other theoretical and experimental data. SMM is a good potential to investigate continually the thermodynamic properties of the other perovskite materials with the cubic structure.

Presenter: Cao Huy Phuong