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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/100/14594

Title: Crystalline phase content and ionic conductivity correlation in LATP glass-ceramic
Authors: SOMAN, S
IWAI, Y
KAWAMURA, J
KULKARNI, A
Keywords: LATP glass
Glass-ceramic
Electrical conductivity
Solid electrolytes
Issue Date: 2012
Publisher: SPRINGER
Citation: JOURNAL OF SOLID STATE ELECTROCHEMISTRY, 16(5)1761-1766
Abstract: Li2O-Al2O3-TiO2-P2O5 (LATP) glass was fabricated by conventional melt quenching route. Glass transition temperature (T (g) = 296 A degrees C) and crystallization temperatures (T (C1,2)) were obtained from thermal analysis. LATP glass was converted to glass-ceramic by heat treatment in the range 550-950 A degrees C for 6 h. X-ray diffraction analysis revealed LiTi2(PO4)(3) as a major phase. Ionic conductivity increased monotonically with concentration, reaching a maximum of similar to 10(-4) S/cm. AlPO4 phase was detected in samples heat-treated above 850 A degrees C. Its presence decreased the conductivity, suggesting LiTi2(PO4)(3) phase as main contributor to high ionic conductivity. NMR spectra confirmed the presence of mobile Li-7 ions in the entire sample series and also gave some information on the structure and dynamics of conductivity.
URI: http://dx.doi.org/10.1007/s10008-011-1592-4
http://dspace.library.iitb.ac.in/jspui/handle/100/14594
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