Mixed Network Former Effects in Tellurite Glass Systems: Structure/Property Correlations in the System (Na2O)1/3[(2TeO2)x(P2O5)1–x]2/3
作者： Dirk Larink , Matthias T. Rinke , Hellmut Eckert
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摘要: Mixed network former glasses in the system (Na2O)1/3[(2TeO2)x(P2O5)1–x]2/3 have been prepared and characterized by DSC, density, electrical conductivity measurements. Within compositional region 0 < x 0.5, shows a positive mixed effect, i.e., enhanced glass transition temperatures ionic conductivities relation to linearly interpolated values between corresponding binary sodium tellurite phosphate systems. The structural origins of this effect studied 31P, 23Na, 125Te high-resolution dipolar solid-state nuclear magnetic resonance (NMR) techniques, O-1s, Na-1s, Te-3d5/2, P-2p X-ray photoelectron spectroscopy (XPS) Raman spectroscopy. A quantitative model has developed that is consistent with all experimental data provides detailed description modification processes, interactions, connectivities. For <0.5, evidence preferential formation o...
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