Complex Phase Behavior of Systems with Negative Curvature Potentials

Abstract:

Article Preview

The comprehensive computer simulation study of the phase diagram of the repulsive step potential system in three dimensions is represented. We show that the system with a simple purely repulsive isotropic potential demonstrates a number of unusual features. The maxima and minima on the melting curve are found for some regions of potential parameters. It is shown that the phase diagram in ρ-T plane includes two isostructural crystalline parts separated by the disordered phase which is amorphous at low enough temperatures. Phase diagram in the (P-T) plane shows that the transition to the amorphous state occurs approximately along the extrapolated spinodals. Structural FCC-BCC phase transition is found at high densities.

Info:

Periodical:

Edited by:

D.Beke, A.Gusak, G.Murch, J.Philibert

Pages:

155-160

DOI:

10.4028/www.scientific.net/DDF.277.155

Citation:

Y.D. Fomin et al., "Complex Phase Behavior of Systems with Negative Curvature Potentials", Defect and Diffusion Forum, Vol. 277, pp. 155-160, 2008

Online since:

April 2008

Export:

Price:

$35.00

In order to see related information, you need to Login.