Abstract

B3LYP periodic calculations with double-ζ polarised basis set using C rystal06 code have been run on a bioactive phospho-silicate glass similar in composition to Bioglass ® 45S5 (46.1 SiO 2, 24.4 Na 2O, 26.9 CaO and 2.6 P 2O 5 mol%) and a phosphorous-free soda-lime glass (49.5 SiO 2, 24.2 Na 2O and 26.4 CaO mol%). Initial structures have been obtained through a melt-quench process by classical molecular dynamics techniques and the effect of phosphorous on the glass network structure and dynamics have been assessed by B3LYP vibrational spectra.

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