an improved interatomic potential model was proposed for molecular dynamics simulations of lithium borate melt/ glass systems. charge of ion was reconsidered and a new composition dependent ionic charge model was suggested. a new three-body potential model controlling B-O-B angles was also proposed. The three-body term functioned to avoid square network ring consisted of B-O bonds, without preventing the change of boron coordination number between three and four. The edge-shared tetrahedra of four-coordination boron observed in the previous simulation were cleared by applying this three-body potential model.
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