Issue 22, 2012
From the journal:

Journal of Materials Chemistry

Origin of high electrical conductivity in alkaline-earth doped LaCoO3

Hisashi Kozuka,*ab   Katsuya Yamagiwa,a   Kazushige Ohbayashia  and  Kunihito Koumotob  

* Corresponding authors

a NGK SPARK PLUG CO., LTD., 2808, Iwasaki, Komaki-shi, Aichi 485-8510, Japan
E-mail: h-kozuka@mg.ngkntk.co.jp
Fax: +81 568 76 5274
Tel: +81 568 76 1362

b Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho Chikusa-ku, Nagoya 464-8603, Japan

Abstract

Alkaline-earth doped LaCoO3 has been found to be promising as conductive oxides instead of standard metals for use as electrodes. Electrical conductivity has a maximum, σ = 4.4 × 103 S cm−1, in La0.6Sr0.4CoO3. We believe that the increase in mobility was caused by the decrease in the Co–O bond length.

Graphical abstract: Origin of high electrical conductivity in alkaline-earth doped LaCoO3

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Article information

DOI
https://doi.org/10.1039/C2JM31965A
Article type
Communication
Submitted
29 Mar 2012
Accepted
27 Apr 2012
First published
30 Apr 2012

J. Mater. Chem., 2012,22, 11003-11005

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Origin of high electrical conductivity in alkaline-earth doped LaCoO3

H. Kozuka, K. Yamagiwa, K. Ohbayashi and K. Koumoto, J. Mater. Chem., 2012, 22, 11003 DOI: 10.1039/C2JM31965A

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