Abstract
Abstract The behaviour of the static dielectric function ε(k) a system of charged hard spheres has been studied, within the Mean spherical Approximation, for a wide range of values of the ionic size ratio α, packing fraction η, and plasma parameter Γ. The results presented are limited to the charge symmetric case. We find that ε(k) already takes on negative values for Γ = 1 when the size of anions and cations are the same and η = 0.30. Packing and size difference become less significant as the value of the plasma parameter increases. As Γ increases in value ε(k) becomes negative over an increasing range of values of the wavenumber k. For given vaules of Γ and η, ε(k) is nearest to zero for a non-zero value of k when α = 1.0.
Keywords
Chemistry
Atomic packing factor
Dielectric
SPHERES
Ionic bonding
Range (aeronautics)
Zero (linguistics)
Hard spheres
Function (biology)
Wavenumber
Thermodynamics
Condensed matter physics
Ion
Computational chemistry
Quantum mechanics
Physics
Crystallography
Materials science
Subject Areas
Material Dynamics and Properties
·Materials Chemistry ·Physical Sciences
Phase Equilibria and Thermodynamics
·Biomedical Engineering ·Physical Sciences
Thermodynamic properties of mixtures
·Fluid Flow and Transfer Processes ·Physical Sciences
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