Characterization of the structure of binary zinc ultraphosphate glasses by infrared and Raman spectroscopy

Abstract The Raman and infrared spectra of zinc phosphate glasses, xZnO·(1−x)P2O5 with 0≤x≤0.5, and the crystalline compounds, o′-P2O5, ZnP4O11, α1-, α2-, and β-Zn(PO3)2, were measured. An analysis of the vibrational spectra is discussed in comparison with the results of the investigation of the same glasses by 31 P -MAS–NMR spectroscopy and X-ray diffraction. The structure of the zinc phosphate glasses can be described by substructures of the high-temperature modifications of the three crystalline compounds with x=0, 0.33, and 0.5.