Abstract
There is great interest in sulfide glasses because of their high lithium ion conductivity. New sulfide glasses based on Li2S-P2S5-Sb2S3 system have been synthesized by a classical quenching technique. A summary of thermal and structural characterization is presented. Electrical conductivities of the samples have been determined by Impedance Spectroscopy. The compositions of low lithium content (below 20% mol) have presented low electronic conductivities close to 10−8 S/cm at room temperature. The compositions of medium lithium content (30–50% mol) have presented mixed ionic-electronic behavior with predominant on ionic conductivity with a maximum values around 10−6 S/cm for samples up to 50% Li2S at room temperature. Arrhenius behavior is verified between 25°C and Tg for all glasses with activation energies about 0.55–0.64 eV. A comparative study of conductivities with glasses belonging to the other chalcogenide systems has been undertaken.
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Acknowledgements
Financial support from programs NSF-CONACYT (35998U), CONACYT (46919) and PAYCyT-UANL is gratefully acknowledged.
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Nagamedianova, Z., Sánchez, E. Synthesis and characterization of new glasses based on Li2S-P2S5-Sb2S3 system. J Mater Sci: Mater Electron 18, 547–552 (2007). https://doi.org/10.1007/s10854-006-9074-7
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DOI: https://doi.org/10.1007/s10854-006-9074-7