Equation of State of Periclase Based on Planck–Einstein Functions-Reference-Cited by-同舟云学术

Equation of State of Periclase Based on Planck–Einstein Functions

Published:2023-02-01 Issue:2 Volume:68 Page:191-202
ISSN:0044-457X
Container-title:Журнал неорганической химии
language:
Short-container-title:Žurnal neorganičeskoj himii

Author:

Perevoshchikov A. V.¹,Maksimov A. I.¹,Babayan I. I.¹,Kovalenko N. A.¹,Uspenskaya I. A.¹

Affiliation:

1. Moscow State University

Abstract

The paper presents an extension of the Voronin–Kutsenok method for joint description of both thermochemical and bulk data with combination of Planck–Einstein functions and modified Tait equation. Two approaches based on the Gibbs and Helmholtz energy descriptions were proposed. Magnesium oxide (periclase) was chosen as the test system. The parameters of the equation of state were optimized using published data over a broad range of thermodynamic variables (up to 3000 K and 145 GPa). The predictive power of both approaches was estimated.

Publisher

The Russian Academy of Sciences

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