Infrared investigations of some borate glasses

Abstract

<span style="font-size:14.0pt;line-height: 115%;font-family:" times="" new="" roman";mso-fareast-font-family:"times="" roman";="" color:black;mso-ansi-language:en-in;mso-fareast-language:en-in;mso-bidi-language:="" hi"="" lang="EN-IN">Infrared spectral investigation of some borate glasses in the frequency range 200-4000 cm^-1 has been done. The borate glasses have been prepared by mixing and heat treating ZnO, B₂O₃ and V₂O₅. No boroxol ring formation is observed in the structure of these glasses. The absence of 806 cm^-1 frequency is attributed to the progressive substitution of boroxol rings by triborate and tetraborate groups. The structure of ZnO-B₂O₃ glass changes by the addition of V₂O₅<i> .</i>In series II and III , the main structure will be due to increase of V₂O₅content. Similarly formation of Zn in tetrahedral coordination is not observed in ZnO containing glasses.</span>