109 citations · 159 across the 8 of their papers we have counts for
8 papers
The Structural Difference Between Strong and Fragile Liquids
Gang Sun, Peter Harrowell
A structural order parameter for disordered configurations is defined, based, not on local topologies, but on the degree of local restraint imposed on each atom. This restraint par…
Amorphous Solidification of a Supercooled Liquid in the Limit of Rapid Cooling
Gang Sun, Peter Harrowell
We monitor the transformation of a liquid into an amorphous solid in simulations of a glass forming liquid by measuring the variation of a structural order parameter with either ch…
A General Structural Order Parameter for the Amorphous Solidification of a Supercooled Liquid
Gang Sun, Peter Harrowell
The persistent problem posed by the glass transition is to develop a general atomic level description of a solidification process that is not associated with any change in the symm…
How Real are Liquid Groundstates? Ultra-Fast Crystal Growth and the Susceptibility of Energy Minima in Liquids
Gang Sun, Peter Harrowell
We calculate the degree to which the final structure of the local groundstate in a liquid is a function of the strength of a perturbing potential applied during energy minimization…
The Displacement Field Associated with the Freezing of a Melt and its Role in Determining Crystal Growth Kinetics
Gang Sun, Alexander Hawken, Peter Harrowell
The atomic displacements associated with the freezing of metals and salts are calculated by treating crystal growth as an assignment problem through the use of an optimal transport…
The Role of Interfacial Inherent Structures in the Fast Crystal Growth from Molten Salts and Metals
Alexander Hawken, Gang Sun, Peter Harrowell
Molecular dynamics simulations of the temperature dependent crystal growth rates of the salts, NaCl and ZnS, from their melts are reported, along with those of a number of pure met…
The Mechanism of the Ultra-Fast Crystal Growth of Pure Metals from their Melts
Gang Sun, Jenny Xu, Peter Harrowell
A crystal of pure nickel grows from its melt at a rate that reaches 70 meters per second. This extraordinary growth rate has led to the suggestion that metallic crystals might prov…
The Structural Origin of Enhanced Dynamics at the Surface of a Glassy Alloy
Gang Sun, Shibu Saw, Ian Douglass +1
The enhancement of mobility at the surface of an amorphous alloy is studied using a combination of molecular dynamic simulations and normal mode analysis of the non-uniform distrib…