Crossref journal-article
AIP Publishing
The Journal of Chemical Physics (317)
Abstract

The thermodynamics of vacancy formation in rare-gas crystals is studied by using Monte Carlo simulation of a many-body system. In the calculations, we assume a pairwise-additive Lennard-Jones potential and measure the change in Helmholtz free energy associated with reversibly adding a particle to a crystal containing a single vacancy. The addition is carried out by varying a coupling parameter joining one particle to the others in the crystal. Results for both 32- and 108-particle systems show that in a macroscopic (rare-gas) crystal near the triple point (1) the fraction of lattice sites vacant is about 1/3000, and (2) relaxation of particles neighboring a vacant site is less than 1% of an equilibrium interparticle spacing. These calculations are in excellent agreement with the earlier work of Glyde.

Bibliography

Squire, D. R., & Hoover, W. G. (1969). Monte Carlo Simulation of Vacancies in Rare-Gas Crystals. The Journal of Chemical Physics, 50(2), 701–706.

Authors 2
  1. David R. Squire (first)
  2. William G. Hoover (additional)
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Dates
Type When
Created 21 years, 6 months ago (Feb. 4, 2004, 4:37 p.m.)
Deposited 1 year, 6 months ago (Feb. 8, 2024, 11:45 p.m.)
Indexed 1 year ago (Aug. 1, 2024, 1:51 p.m.)
Issued 56 years, 7 months ago (Jan. 15, 1969)
Published 56 years, 7 months ago (Jan. 15, 1969)
Published Print 56 years, 7 months ago (Jan. 15, 1969)
Funders 0

None

@article{Squire_1969, title={Monte Carlo Simulation of Vacancies in Rare-Gas Crystals}, volume={50}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1671118}, DOI={10.1063/1.1671118}, number={2}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Squire, David R. and Hoover, William G.}, year={1969}, month=jan, pages={701–706} }