Fig. 1. Schematic diagram of amorphous cell building and its simulation. Here, the initial densities of models were set 0.6 g/cm3
,and MD simulation procedure contains three steps: 1. NVTMD
simulation (T = 298 k); 2. NPT-MD simulation (P = 1 bar, T = 298 K); and 3. NVT-MD simulation.