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Infrared and Roman Spectra of two kinds of glass systems of Li_2 O-P_2 O_5 and LiCl-Li_2O-P_2O_5 were studied and the influence of LiCl on the glass structure was discussed. The results show that in the system of Li_2O-P_2O_5, Licl can not only play a dresser part, but also exist in network gaps in a free state. When x(x=Li_2O/P_2O_5 mole fraction) is smaller and the content of LiCl is lower, LiCl causes the structare of phosphatic glass to break as Li_2O and (PO_2Cl) groaps. With the increase of x and the content of LiCl, the number of LiCl existing in dissociation state increases, too. When x is larger than some value (about 1.4), LiCl exists in a dissociation state entirely.
Infrared and Roman Spectra of two kinds of glass systems of Li 2 O-P 2 O 5 and LiCl-Li 2 O-P 2 O 5 were studied and the influence of LiCl on the glass structure was discussed. The results show that in the system of Li 2 O-P 2 O 5, Licl can not only play a dresser part, but also exist in network gaps in a free state. When x (x = Li 2 O / P 2 O 5 mole fraction) is smaller and the content of LiCl is lower, LiCl causes the structare of phosphatic glass to break as Li 2 O Li x exists in a dissociation state volume, too. When x is larger than some value (about 1.4), LiCl exists in a dissociation state entirely,