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Preparation and electrical conductivity of NaF-Li2O-WO3-P2O5 glasses
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Solid Earth Geology.
2009 (English)In: Journal of Optoelectronics and Advanced Materials, ISSN 1454-4164, Vol. 3, no 9, 959-963 p.Article in journal (Refereed) Published
Abstract [en]

Several studies have been reported on lithium phosphate glasses to   which lithium halides and lithium sulphate have been added However,   there has been no experimental results for the introduction of sodium   fluoride into the lithium tungsten phosphate network How specifically   this feature - mixed alkali in the presence of fluorine ion -   influences ion transport in the glasses is unclear. This work concerns   the investigation of ion transport behaviour of NaF containing lithium   tungsten phosphate glasses in order to understand better the role of   NaF in the ionic cation transport Glasses obtained in the system   0.5[x(2NaF)-(1-x)Li2O]-0.5[0.25(WO3)(2)-0.75P(2)O(5)] were investigated   The glass samples have been characterised using powder X-ray   diffraction (XRD), thermal analysis, density and impedance spectroscopy   X-ray diffraction and thermal studies have confirmed that these glasses   can be formed in the range x = 0 to 1 The mixed alkali glasses have   shown higher activation energies and lower conductivities compared to   single alkali doped glasses and this has been attributed to a mixed   alkali influence on the electrical conduction in these systems.

Place, publisher, year, edition, pages
2009. Vol. 3, no 9, 959-963 p.
Keyword [en]
Ionic conductivity, Glass transition temperature, Glasses, Tungsten, Phosphate
National Category
Engineering and Technology
URN: urn:nbn:se:uu:diva-119473ISI: 000271230100022OAI: oai:DiVA.org:uu-119473DiVA: diva2:300299
Available from: 2010-02-25 Created: 2010-02-25 Last updated: 2010-06-30Bibliographically approved

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