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Perovskites; La₂CrNiO₆; La₂FeNiO₆; La₂CrNiO₆

The low-temperature preparation of some La₂MM′O₆ compounds (M,M′=Cr, Mn, Fe, Co, Ni, M≠M′) by the decomposition of coprecipitated basic carbonates is described. Single phase compounds are formed. The stability of physical properties of these phases towards further heating depends on the M and M′ ions. The results are interpreted in terms of the stability of the M-M′ oxidation states.

P Ganguly¹

1. Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore - 560 012, India

Published

November 1981

Manuscript received

21 April 1981