Abstract
For the purpose of getting a better understanding of the physical properties of glass transitions and glasses, we carry out the computer simulations of glass formation by a melt-quench process. We use the constant-pressure, constant-temperature molecular-dynamics method for simulations and we choose model systems composed of spherical atoms, i.e. the Lennard-Jones (LJ) atoms and the modified Stillinger-Weber (SW) atoms. By observing various physical properties of our systems, we ascertain the occurrence of glass transitions in the processes of rapid quenching. We also discuss how the physical properties of glasses are influenced by preparation conditions such as the quench rates and the types of inter-atomic potentials.
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