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Type: Artigo de periódico
Title: Strong orbital correlations in a Fe-substituted spin-glass-manganite
Author: Granado, E
Urbano, RR
Perez, CA
Azimonte, C
Lynn, JW
Souza, RA
Souza-Neto, NM
Ramos, AY
Bychkov, GL
Shiryaev, SV
Barilo, SN
Abstract: The compound La0.66Ba0.40Mn0.61Fe0.33O3 shows anisotropic magnetic correlations with no long-range order. Specific heat measurements suggest these correlations represent the bulk. Orbital correlations of Mn(3+)e(g) electrons, surviving in an environment of largely disordered exchange interactions, are invoked to account for this magnetic state. These results argue in favor of a strain-field mechanism for orbital ordering in manganites.
Country: EUA
Editor: American Physical Soc
Citation: Physical Review B. American Physical Soc, v. 72, n. 5, 2005.
Rights: aberto
Identifier DOI: 10.1103/PhysRevB.72.052406
Date Issue: 2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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