Thermal expansion of some chromium deficient lanthanum chromites

Natsuko Sakai, Tatsuya Kawada, Harumi Yokokawa, Masayuki Dokiya, Tomoo Iwata

Research output: Contribution to journalArticlepeer-review

55 Citations (Scopus)


The dense calcium-doped lanthanum chromites were prepared by liquid mixing method as a SOFC interconnector. A slight, nominal deficit of chromium drastically enhanced sinterability of lanthanum chromite even in air. These samples consisted of perovskite phase and CaO (or La2O3). The thermal expansion coefficients of the chromium deficient samples were found to increase with calcium content, from 8.56×10-6K-1 to 10.84×10-6K-1.

Original languageEnglish
Pages (from-to)394-397
Number of pages4
JournalSolid State Ionics
Issue numberPART 1
Publication statusPublished - 1990 Aug


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