Solid State Communications, volume 86, issue 10, pages 689-693

High ionic conductivity in lithium lanthanum titanate

Publication typeJournal Article
Publication date1993-06-01
Quartile SCImago
Q2
Quartile WOS
Q3
Impact factor2.1
ISSN00381098
Materials Chemistry
General Chemistry
Condensed Matter Physics
Abstract
It has been discovered that the polycrystalline lithium lanthanum titanate Li0.34(1)La0.51(1)TiO2.94(2) shows high ionic conductivity more than 2 × 10−5 S cm−1 (D.C. method) at room temperature, which is compared with that of Li3.5V0.5Ge0.5O4. This compound has cubic perovskite structure whose cell parameter is 3.8710(2) A. By a.c. impedance analysis, the equivalent circuit of the sample could be divided into two parts; bulk crystal and grain boundary. The ionic conductivity of the bulk part is as high as 1 × 10−3 S cm−1 at room temperature. Such a high conductivity is considered to be attributed to the presence of a lot of equivalent sites for lithium ion to occupy and freely move in this perovskite. In addition, this compound is easy to react with lithium metal and the electronic conductivity has become much higher than before being in contact with Li. It can be explained that titanium ion was reduced by ii insertion into a vacant site and then an electron carrier was introduced.

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GOST |
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GOST Copy
Inaguma Y. et al. High ionic conductivity in lithium lanthanum titanate // Solid State Communications. 1993. Vol. 86. No. 10. pp. 689-693.
GOST all authors (up to 50) Copy
Inaguma Y., Chen L., Itoh M., Nakamura T., Uchida T., Ikuta H., Wakihara M. High ionic conductivity in lithium lanthanum titanate // Solid State Communications. 1993. Vol. 86. No. 10. pp. 689-693.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/0038-1098(93)90841-A
UR - https://doi.org/10.1016/0038-1098(93)90841-A
TI - High ionic conductivity in lithium lanthanum titanate
T2 - Solid State Communications
AU - Inaguma, Yoshiyuki
AU - Chen, Liquan
AU - Itoh, Mitsuru
AU - Nakamura, T.
AU - Uchida, Takashi
AU - Ikuta, Hiromasa
AU - Wakihara, Masataka
PY - 1993
DA - 1993/06/01 00:00:00
PB - Elsevier
SP - 689-693
IS - 10
VL - 86
SN - 0038-1098
ER -
BibTex |
Cite this
BibTex Copy
@article{1993_Inaguma,
author = {Yoshiyuki Inaguma and Liquan Chen and Mitsuru Itoh and T. Nakamura and Takashi Uchida and Hiromasa Ikuta and Masataka Wakihara},
title = {High ionic conductivity in lithium lanthanum titanate},
journal = {Solid State Communications},
year = {1993},
volume = {86},
publisher = {Elsevier},
month = {jun},
url = {https://doi.org/10.1016/0038-1098(93)90841-A},
number = {10},
pages = {689--693},
doi = {10.1016/0038-1098(93)90841-A}
}
MLA
Cite this
MLA Copy
Inaguma, Yoshiyuki, et al. “High ionic conductivity in lithium lanthanum titanate.” Solid State Communications, vol. 86, no. 10, Jun. 1993, pp. 689-693. https://doi.org/10.1016/0038-1098(93)90841-A.
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