Transitions among crystal, glass, and liquid in a binary mixture with changing particle size ratio and temperature

Details Transitions among crystal, glass, and liquid in a binary mixture with changing particle size ratio and temperature Transitions among crystal, glass, and liquid in a binary mixture with changing particle size ratio and temperature

2006-05-10

arxiv.org/abs/cond-mat/0605251v1

Physics

Condensed Matter

Soft Condensed Matter

7 pages, 10 figures

Scientific paper

10.1103/PhysRevE.74.011506

Using molecular dynamics simulation we examine changeovers among crystal, glass, and liquid at high density in a two dimensional binary mixture. We change the ratio between the diameters of the two components and the temperature. The transitions from crystal to glass or liquid occur with proliferation of defects. We visualize the defects in terms of a disorder variable "D_j(t)" representing a deviation from the hexagonal order for particle j. The defect structures are heterogeneous and are particularly extended in polycrystal states. They look similar at the crystal-glass crossover and at the melting. Taking the average of "D_j(t)" over the particles, we define a disorder parameter "D(t)", which conveniently measures the degree of overall disorder. Its relaxation after quenching becomes slow at low temperature in the presence of size dispersity. Its steady state average is small in crystal and large in glass and liquid.

Affiliated with

Also associated with

No associations

Rating

Transitions among crystal, glass, and liquid in a binary mixture with changing particle size ratio and temperature does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Transitions among crystal, glass, and liquid in a binary mixture with changing particle size ratio and temperature, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Transitions among crystal, glass, and liquid in a binary mixture with changing particle size ratio and temperature will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-705665