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Title: Effect of sintering on electrical properties of yttrium doped Li-based NASICON compounds

Electrical properties of Lithium based Li{sub 1.3}Al{sub 0.3-x}Y{sub x}Ti{sub 1.7}(PO{sub 4}){sub 3} (LAYTP) system was prepared using solid state reaction route. The samples were subjected to differing duration of sintering. X-ray diffraction was used to investigate the microstructure while density measurement was performed to determine the effect of sintering on the density of the prepared samples. Electrical properties of the material were studied using impedance spectroscopy, in frequency range 20 MHz to 1 Hz and in temperature range 303 K to 423 K. It was found that sample with least amount of yttrium and which was sintered for least duration had superior conductivity over other samples. It was also found that grain boundary conductivity improved marginally for sample with higher proportion of yttrium heat treated for longer duration.
Authors:
; ;  [1]
  1. Solid State Ionics & Glass Research Laboratory, Department of Physics, Faculty of Science, The M. S. University of Baroda, Vadodara, Gujarat-390002 (India)
Publication Date:
OSTI Identifier:
22488862
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1675; Journal Issue: 1; Conference: AMRP-2015: 4. national conference on advanced materials and radiation physics, Longowal (India), 13-14 Mar 2015; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; ALUMINIUM COMPOUNDS; DOPED MATERIALS; ELECTRIC CONDUCTIVITY; FREQUENCY DEPENDENCE; GRAIN BOUNDARIES; HEAT TREATMENTS; IMPEDANCE; LITHIUM COMPOUNDS; MHZ RANGE; PHOSPHATES; SINTERING; SOLIDS; SPECTROSCOPY; TEMPERATURE DEPENDENCE; TITANIUM PHOSPHATES; X-RAY DIFFRACTION; YTTRIUM COMPOUNDS