Crystal and magnetic structure of substituted lanthanum cobaltites


Sonntag, R. and Neov, S. and Kozhukharov, V. and Neov, D. and Elshof, J.E. ten (1999) Crystal and magnetic structure of substituted lanthanum cobaltites. Physica B: Condensed Matter, 241-24 . pp. 393-396. ISSN 0921-4526

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Abstract:The crystal and magnetic structures of the lanthanum cobaltites La0.6Sr0.4CoO3, La0.6Sr0.4Co0.9Fe0.1O3 and La0.6Ba0.4Co0.9Fe0.1O3 have been studied by neutron powder diffraction at temperatures of 2, 300 and 900 K. All compounds undergo a phase transition from cubic to rhombohedral structure. Below the room temperature La0.6Sr0.4CoO3 becomes ferromagnetic while for the components with 10% Fe substituted for Co, we found an antiferromagnetic order.
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Copyright:© 1997 Elsevier Science
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