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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Dissanayake, M.A.K.L. | en_US |
dc.contributor.author | Sumathipala, H.H. | en_US |
dc.contributor.author | West, A.R. | en_US |
dc.date.accessioned | 2014-11-19T04:44:52Z | - |
dc.date.available | 2014-11-19T04:44:52Z | - |
dc.date.issued | 1994 | - |
dc.identifier.uri | http://repository.kln.ac.lk/handle/123456789/4013 | - |
dc.description.abstract | In the system Li4TiO4?Li2SO4, a wide range of solid solutions, Li4 ? 2xSxTi1 ?xO4(0 < x < 0.2) with Li4TiO4 structure is formed. The ionic conductivity increases with x and exhibits a maximum (bulk) value of 8.30 ? 10?6 S cm?1at 27 �C with an activation energy of 0.51 eV for x= 0.2. The enhancement in conductivity is associated with an increase in concentration of lithium-ion vacancies, created via the mechanism 2Li++ Ti4+ S6+, but is attributable specifically to a decrease in activation energy for conduction. This is the first report of high Li+-ion conductivity in the Li4TiO4structural family. | en_US |
dc.publisher | Journal of Materials Chemistry | en_US |
dc.title | New Li+-ion conductors, Li4 ? 2xTi1 ?xSxO4, based on the Li4TiO4 structure | - |
dc.type | article | en_US |
dc.identifier.department | Physics | en_US |
Appears in Collections: | Physics |
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