Molecular dynamic simulation study of molten caesium

Main Article Content

Saeid Yeganegi
http://orcid.org/0000-0003-0603-479X
Vahid Moeini
Zohreh Doroodi

Abstract

Molecular dynamics simulations were performed to study thermo­dynamics and structural properties of expanded caesium fluid. Internal pres­sure, radial distribution functions (RDFs), coordination numbers and dif­fusion coefficients have been calculated at temperature range 700–1600 K and pres­sure range 100–800 bar. We used the internal pressure to predict the metal–non-metal transition occurrence region. RDFs were calculated at wide ranges of temperature and pressure. The coordination numbers decrease and positions of the first peak of RDFs slightly increase as the temperature increases and pressure decreases. The calculated self-diffusion coefficients at various tempe­ratures and pressures show no distinct boundary between Cs metallic fluid and its expanded fluid where it continuously increases with temperature. 

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How to Cite
[1]
S. Yeganegi, V. Moeini, and Z. Doroodi, “Molecular dynamic simulation study of molten caesium”, J. Serb. Chem. Soc., vol. 82, no. 6, pp. 681–694, Aug. 2017.
Section
Theoretical Chemistry
Author Biographies

Saeid Yeganegi, Department of Physical Chemistry, University of Mazandaran, Babolsar

Department of Physical Chemistry

 

Vahid Moeini, Department of Chemistry, Payame Noor University, P. O. Box 19395-3697, Tehran

Department of Chemistry,

Ph D

Zohreh Doroodi, Department of Chemistry, Payame Noor University, P. O. Box 19395-3697, Tehran

Department of Chemistry,
Ph D Student

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