Limited local electron-lattice coupling in manganites

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dc.creatorSanchez, D.
dc.creatorCalderon, M. J.
dc.creatorSanchez-Benitez, J.
dc.creatorWilliams, A. J.
dc.creatorAttfield, J. P.
dc.creatorMidgley, P. A.
dc.creatorMathur, N. D.
dc.date2008-01-30
dc.date.accessioned2026-07-07T09:28:36Z
dc.date.available2026-07-07T09:28:36Z
dc.description(Pr,Ca)MnO3 is the archetypal charge-ordered manganite, but in Pr0.48Ca0.52MnO3 we find (using convergent-beam electron diffraction and dark-field images) that the superlattice period is locally incommensurate with respect to the parent lattice, and that the superlattice orientation possesses significant local variations. This suggests that local electron-lattice coupling never overwhelmingly dominates the rich physics of manganites, even in the most extreme scenarios that produce the largest colossal magnetoresistance effects.
dc.description9 pages, 4 figures; accepted in Physical Review B
dc.identifierhttps://arxiv.org/abs/0801.4626
dc.identifierhttp://arxiv.org/abs/0801.4626
dc.identifierPhys. Rev. B 77, 092411 (2008)
dc.identifierdoi:10.1103/PhysRevB.77.092411
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/157483
dc.subjectStrongly Correlated Electrons
dc.titleLimited local electron-lattice coupling in manganites
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