Freezing lines of colloidal Yukawa spheres. II. Local structure and characteristic lengths

Gapinski, Jacek; Naegele, Gerhard; Patkowski, Adam

doi:10.1063/1.4895965

Journal Article

FZJ-2015-01553

Freezing lines of colloidal Yukawa spheres. II. Local structure and characteristic lengths

Gapinski, J. (Corresponding Author) ; Naegele, G.FZJ* ; Patkowski, A.

2014
American Institute of Physics Melville, NY

The journal of chemical physics 141(12), 124505 (2014) [10.1063/1.4895965]

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Please use a persistent id in citations: http://hdl.handle.net/2128/19005 doi:10.1063/1.4895965

Abstract: Using the Rogers-Young (RY) integral equation scheme for the static pair correlation functions combined with the liquid-phase Hansen-Verlet freezing rule, we study the generic behavior of the radial distribution function and static structure factor of monodisperse charge-stabilized suspensions with Yukawa-type repulsive particle interactions at freezing. In a related article, labeled Paper I [J. Gapinski, G. Nägele, and A. Patkowski, J. Chem. Phys.136, 024507 (2012)], this hybrid method was used to determine two-parameter freezing lines for experimentally controllable parameters, characteristic of suspensions of charged silica spheres in dimethylformamide. A universal scaling of the RY radial distribution function maximum is shown to apply to the liquid-bcc and liquid-fcc segments of the universal freezing line. A thorough analysis is made of the behavior of characteristic distances and wavenumbers, next-neighbor particle coordination numbers, osmotic compressibility factor, and the Ravaché-Mountain-Streett minimum-maximum radial distribution function ratio.

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