Structure of borovandate glasses studied by Raman spectroscopy
作者： O Attos , M Massot , M Balkanski , E Haro-Poniatowski , M Asomoza
DOI: 10.1016/S0022-3093(96)00596-0
关键词: Materials science 、 Raman spectroscopy 、 Analytical chemistry 、 Line (formation) 、 Glass transition 、 Tetrahedron
摘要: Borovanadate glasses (1−x)[B2O3–yLi2O]–xV2O5 with 0≤x≤1 and 0≤y≤1 have been prepared systematically studied by Raman spectroscopy. The results compared glass transition temperature measurements. spectra exhibit a characteristic band at about 900 cm−1 whose shape frequency are dependent on both V2O5 Li2O concentration. study of the line has shown that vanadium–oxygen structural units formed in VO4 tetrahedra VO5 pyramids according to content. It is also observed behaves as modifier or former regard boron–oxygen network.
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