Abstract

Raman and infrared spectroscopies have been employed to investigate the xBi 2O 3–(65 − x)Li 2O–20ZnO–15B 2O 3 glasses in order to obtain information about the competitive role of Bi 2O 3 and B 2O 3 in the formation of glass network. IR and Raman spectra show that these glasses are made up of [BiO 3] pyramidal and [BiO 6] octahedral units. The formation of Zn 2+ in tetrahedral coordination was observed. The average electronic polarizability of the oxide ion ( α O 2 − ), optical basicity ( Λ), and Yamashita–Kurosawa's interaction parameter ( A) were also examined.

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