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- Title
Static and Dynamics of Concentrated Colloidal System Close to the Freezing Transition: Effect of Varying Particle Softness.
- Authors
Samukcham, Jimpaul; Shagolsem, Lenin S.
- Abstract
By means of dissipative particle dynamics simulations, we study static and dynamic properties of a concentrated colloidal system. In particular, we look at the effect of particle softness on the transition temperature, and on the ordering and dynamics of the system. It is shown that the transition temperature decreases linearly with increasing softness. Also, we study the spatial ordering of particles through radial distribution function and compare among different systems with varying degree of particle softness at the thermodynamic melting temperature. We further investigate the dynamical behaviors of the colloidal system in the vicinity of transition temperature and study the variation of diffusion constant as a function of both temperature and degree of softness. We find that, with increasing particle softness, the particle relaxation time increases and thus the diffusion constant also decreases.
- Subjects
COLLOIDS; TRANSITION temperature; RADIAL distribution function; PARTICLE dynamics; SYSTEM dynamics; MELTING
- Publication
Macromolecular Symposia, 2021, Vol 399, Issue 1, p1
- ISSN
1022-1360
- Publication type
Article
- DOI
10.1002/masy.202100038