So far, only a limited number of publications have been concerned with the study of the mixed alkali effect in glasses with the former Te02. The importance of studying such a phenomenon in Te02 glasses is due to many industrial and technological applications concerning this type. In this work, five different glass samples were selected for the study. Bulk density and infrared absorption spectroscopy were measured at room temperature. Quantitative evaluation of the infrared absorptions spectra showed that the molecular groups were affected by changing the type of the nearest neighbour alkali species. Electrical parameters such as dielectric constant, loss factor and conductivity were extracted from these experiments and show mixed alkali effect.
