Bandwidth-disorder phase diagram of half doped layered manganites

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dc.creatorMathieu, R.
dc.creatorUchida, M.
dc.creatorKaneko, Y.
dc.creatorHe, J. P.
dc.creatorYu, X. Z.
dc.creatorKumai, R.
dc.creatorArima, T.
dc.creatorTomioka, Y.
dc.creatorAsamitsu, A.
dc.creatorMatsui, Y.
dc.creatorTokura, Y.
dc.date2006-07-05
dc.date.accessioned2026-07-07T07:15:51Z
dc.date.available2026-07-07T07:15:51Z
dc.descriptionPhase diagrams in the plane of $r_A$ (the average ionic radius, related to one-electron bandwidth $W$) and $σ^2$ (the ionic radius variance, measuring the quenched disorder), or ``bandwidth-disorder phase diagrams'', have been established for perovskite manganites, with three-dimensional (3$D$) Mn-O network. Here we establish the intrinsic bandwidth-disorder phase diagram of half-doped layered manganites with the two-dimensional (2$D$) Mn-O network, examining in detail the ``mother state'' of the colossal magnetoresistance (CMR) phenomenon in crystals without ferromagnetic instability. The consequences of the reduced dimensionality, from 3$D$ to 2$D$, on the order-disorder phenomena in the charge-orbital sectors are also highlighted.
dc.descriptionREVTeX 4 style; 5 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0607115
dc.identifierhttp://arxiv.org/abs/cond-mat/0607115
dc.identifierPhys. Rev. B 74, 020404(R) (2006).
dc.identifierdoi:10.1103/PhysRevB.74.020404
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/113368
dc.subjectMaterials Science
dc.titleBandwidth-disorder phase diagram of half doped layered manganites
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