Journal of Solid State Chemistry, volume 182, issue 8, pages 2046-2052

Synthesis and structure analysis of tetragonal Li7La3Zr2O12 with the garnet-related type structure

Publication typeJournal Article
Publication date2009-08-01
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor3.3
ISSN00224596, 1095726X
Materials Chemistry
Ceramics and Composites
Electronic, Optical and Magnetic Materials
Inorganic Chemistry
Physical and Theoretical Chemistry
Condensed Matter Physics
Abstract
We have successfully synthesized a high-purity polycrystalline sample of tetragonal Li7La3Zr2O12. Single crystals have been also grown by a flux method. The single-crystal X-ray diffraction analysis verifies that tetragonal Li7La3Zr2O12 has the garnet-related type structure with a space group of I41/acd (no. 142). The lattice constants are a=13.134(4) A and c=12.663(8) A. The garnet-type framework structure is composed of two types of dodecahedral LaO8 and octahedral ZrO6. Li atoms occupy three crystallographic sites in the interstices of this framework structure, where Li(1), Li(2), and Li(3) atoms are located at the tetrahedral 8a site and the distorted octahedral 16f and 32g sites, respectively. The structure is also investigated by the Rietveld method with X-ray and neutron powder diffraction data. These diffraction patterns are identified as the tetragonal Li7La3Zr2O12 structure determined from the single-crystal data. The present tetragonal Li7La3Zr2O12 sample exhibits a bulk Li-ion conductivity of σb=1.63×10−6 S cm−1 and grain-boundary Li-ion conductivity of σgb=5.59×10−7 S cm−1 at 300 K. The activation energy is estimated to be Ea=0.54 eV in the temperature range of 300–560 K.

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Awaka J. et al. Synthesis and structure analysis of tetragonal Li7La3Zr2O12 with the garnet-related type structure // Journal of Solid State Chemistry. 2009. Vol. 182. No. 8. pp. 2046-2052.
GOST all authors (up to 50) Copy
Awaka J., Kijima N., Hayakawa H., Akimoto J. Synthesis and structure analysis of tetragonal Li7La3Zr2O12 with the garnet-related type structure // Journal of Solid State Chemistry. 2009. Vol. 182. No. 8. pp. 2046-2052.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.jssc.2009.05.020
UR - https://doi.org/10.1016/j.jssc.2009.05.020
TI - Synthesis and structure analysis of tetragonal Li7La3Zr2O12 with the garnet-related type structure
T2 - Journal of Solid State Chemistry
AU - Awaka, Junji
AU - Kijima, Norihito
AU - Hayakawa, Hiroshi
AU - Akimoto, Junji
PY - 2009
DA - 2009/08/01 00:00:00
PB - Elsevier
SP - 2046-2052
IS - 8
VL - 182
SN - 0022-4596
SN - 1095-726X
ER -
BibTex |
Cite this
BibTex Copy
@article{2009_Awaka,
author = {Junji Awaka and Norihito Kijima and Hiroshi Hayakawa and Junji Akimoto},
title = {Synthesis and structure analysis of tetragonal Li7La3Zr2O12 with the garnet-related type structure},
journal = {Journal of Solid State Chemistry},
year = {2009},
volume = {182},
publisher = {Elsevier},
month = {aug},
url = {https://doi.org/10.1016/j.jssc.2009.05.020},
number = {8},
pages = {2046--2052},
doi = {10.1016/j.jssc.2009.05.020}
}
MLA
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MLA Copy
Awaka, Junji, et al. “Synthesis and structure analysis of tetragonal Li7La3Zr2O12 with the garnet-related type structure.” Journal of Solid State Chemistry, vol. 182, no. 8, Aug. 2009, pp. 2046-2052. https://doi.org/10.1016/j.jssc.2009.05.020.
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