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Published in

Elsevier, Journal of Alloys and Compounds, (571), p. 21-24

DOI: 10.1016/j.jallcom.2013.03.045

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Nature of short-range order in the paramagnetic state of manganites

Journal article published in 2013 by Fabian E. N. Ramirez, Elton Francisquini, José Antonio Souza ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We study the nature of short-range magnetic interactions observed in the paramagnetic phase of colossal magnetoresistance compounds. Our results reveal that ferromagnetic-like interaction between Mn ions cannot be explained by the conventional double exchange mechanism. The results show evidence that the eg electrons are localized in Mn3+ ions regardless the introduction of holes leading to ferromagnetic/antiferromagnetic superexchange-like interactions.