Abstract
Possibilities of the linear-polarized infrared (IR-LD) spectroscopy of oriented colloid suspensions in nematic liquid crystals, for structural and local structural elucidation for first time are demonstrated of inorganic compounds and glasses. The advantages of the method for tellurite and borate glasses are shown. The IR-band assignment of the typical local structural units in the glasses are proposed by a comparison with the IR-characteristics of appropriate crystalline analogues as α-TeO 2, V 2O 5, MoO 3 · H 2O and its high temperature form. The IR-spectroscopic characteristics of BO 3, BO 4 and boroxol ring are elucidated, using crystalline β-BaB 2O 4, SrB 4O 7, H 3BO 3 and B 2O 3 as model systems, where the structural moieties have been refined by single crystal X-ray diffraction.
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