Solid State Ionics, volume 262, pages 617-621

Synthesis procedure and effect of Nd, Ca and Nb doping on structure and electrical conductivity of Li7La3Zr2O12 garnets

Publication typeJournal Article
Publication date2014-09-01
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor3.2
ISSN01672738
General Chemistry
Condensed Matter Physics
General Materials Science
Abstract
Procedure of solid state synthesis of Li 7 La 3 Zr 2 O 12 garnets was investigated. After calcination of reactants at 800 °C single-phased tetragonal-structure garnet material was produced. Subsequent sintering at 1200 °C gave cubic-structure garnet. The effect of Ca, Nd and Nb doping for structure parameters and Li-ion conductivity was studied. Ca and Nd dopants were located in La sublattice, whereas Nb was located in Zr sublattice, leading to changes in nominal lithium content. Similarly to nominally undoped Li 7 La 3 Zr 2 O 12 , all doped materials possessed cubic garnet structure, however, in all the cases the observed lattice parameters were lower than for the undoped material. For all synthesized materials, determined lithium content was lower than the nominal value, and slight amount of aluminum was detected. Electrical conductivity at room temperature for all tested materials was in the range 0.8–4.2 × 10 − 5  S cm − 1 . Nearly linear positive correlation between lattice constant and ionic conductivity was observed. The influence of lithium variation for the studied composition range was found to be insignificant.

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Hanc E., Zając W., Molenda J. Synthesis procedure and effect of Nd, Ca and Nb doping on structure and electrical conductivity of Li7La3Zr2O12 garnets // Solid State Ionics. 2014. Vol. 262. pp. 617-621.
GOST all authors (up to 50) Copy
Hanc E., Zając W., Molenda J. Synthesis procedure and effect of Nd, Ca and Nb doping on structure and electrical conductivity of Li7La3Zr2O12 garnets // Solid State Ionics. 2014. Vol. 262. pp. 617-621.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.ssi.2013.11.033
UR - https://doi.org/10.1016/j.ssi.2013.11.033
TI - Synthesis procedure and effect of Nd, Ca and Nb doping on structure and electrical conductivity of Li7La3Zr2O12 garnets
T2 - Solid State Ionics
AU - Hanc, Emil
AU - Zając, Wojciech
AU - Molenda, Janina
PY - 2014
DA - 2014/09/01 00:00:00
PB - Elsevier
SP - 617-621
VL - 262
SN - 0167-2738
ER -
BibTex
Cite this
BibTex Copy
@article{2014_Hanc,
author = {Emil Hanc and Wojciech Zając and Janina Molenda},
title = {Synthesis procedure and effect of Nd, Ca and Nb doping on structure and electrical conductivity of Li7La3Zr2O12 garnets},
journal = {Solid State Ionics},
year = {2014},
volume = {262},
publisher = {Elsevier},
month = {sep},
url = {https://doi.org/10.1016/j.ssi.2013.11.033},
pages = {617--621},
doi = {10.1016/j.ssi.2013.11.033}
}
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