Abstract
In the present work Bi2O3-B2O3-Nd2O3 glasses have been prepared via melt quenching method. The composition has been fixed to 70 mol% B2O3, 30 mol% Bi2O3 which is a stable glass forming composition. In these glasses, Nd2O3 has been doped in replace of B2O3 concentration in glass formula. UV-VISIBLE-NIR studies have been performed in these glasses to examine the optical spectra and the result show eight absorption peaks. The transition energy levels vary with the Nd2O3 concentration and depend on covalency and the asymmetry of Nd-O local structure among these host matrices. In addition, the effect of Nd2O3 on these distributions has been examined in term of density, molar volume and basicity.
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