V 58 Vibrational Spectra of Sulfoborate Glasses [Text] / V. G. Vyatchina, L. A. Perelyaeva, M. G. Zuev, I. V. Baklanova, V. L. Mamoshin // Inorganic Materials. - 2005. - Vol. 41, № 10. - P1128-1130 : il. - Библиогр. : с. 1130 (9 назв.) Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): СТЕКЛА СУЛЬФАТОБОРАТНЫЕ -- СТРУКТУРА СТЕКЛА Аннотация: The glass-forming regions in the MgSO4-Na2B4O7-K2SO4 and MgSO4-Na2B4O7-KHSO4 systems are shown to lie in the borate-rich corner of the composition triangle and to occupy about 20% of its area. IR and Raman spectroscopy results are used to develop a structural model of the glasses studied. Vibrational spectra suggest that the structure of the glasses is governed by borate glass-forming groups, which incorporate tetrahedra Полный текст |