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Use of lanthanum chromite for making electric heaters

โœ Scribed by M. A. Andrianov; V. L. Balkevich; V. E. Sotnikov


Publisher
Springer US
Year
1980
Tongue
English
Weight
454 KB
Volume
21
Category
Article
ISSN
1573-9139

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The valence state of the Cr ion in Ca-doped lanthanum chromite compounds without or with oxygen deficiency has been calculated by means of a tight-binding approximation on the basis of the EHMO approximation. The results indicate that the relative content of Cr 4 ions in La 1ร€x Ca x CrO 3 will becom