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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/10741

Title: Effect of aliovalent doping on the electrical conductivity of the Li2SO4-Na2SO4 binary
Authors: GOMATHY, S
SHUKLA, M
GOPALAN, P
KULKARNI, AR
Keywords: paddle-wheel mechanism
ionic-conductivity
solid electrolytes
transport
percolation
system
transitions
phases
Issue Date: 2001
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Citation: MATERIALS RESEARCH BULLETIN, 36(3-4), 397-406
Abstract: The effect of aliovalent doping (La3+) on the electrical conductivity of the 75: 25 and 10:90 Li2SO4 - Na2SO4 binary compositions is reported. While no significant conductivity enhancement is observed for the 75:25 composition, the sodium sulfate rich composition exhibits considerable enhancement, attributed to an increased vacancy concentration. For the 10:90 composition, the maximum enhancement is observed with 2 m/o La-2(SO4)(3) at 225 degreesC and with 3 m/o La-2(SO4)(3) at 395 degreesC. Interestingly, the Na2SO4 -rich and the Li2SO4 -rich compositions exhibit conductivity behavior consistent with that for pure Na2SO4 and pure Li2SO4, respectively. (C) 2001 . .
URI: http://dx.doi.org/10.1016/S0025-5408(01)00503-7
http://dspace.library.iitb.ac.in/xmlui/handle/10054/10741
http://hdl.handle.net/10054/10741
ISSN: 0025-5408
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