Electronic structure and transport properties of La_0.7Ce_0.3MnO_3

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dc.creatorChang, W. J.
dc.creatorTsai, J. Y.
dc.creatorJeng, H. -T.
dc.creatorLin, J. -Y.
dc.creatorZhang, Kenneth Y. -J.
dc.creatorLiu, H. L.
dc.creatorLee, J. M.
dc.creatorChen, J. M.
dc.creatorWu, K. H.
dc.creatorUen, T. M.
dc.creatorGou, Y. S.
dc.creatorJuang, J. Y.
dc.date2005-09-14
dc.date.accessioned2026-07-07T06:22:13Z
dc.date.available2026-07-07T06:22:13Z
dc.descriptionX-ray absorption spectroscopy (XAS), optical reflectance spectroscopy, and the Hall effect measurements were used to investigate the electronic structure in La_0.7Ce_0.3MnO_3 thin films (LCeMO). The XAS results are consistent with those obtained from LDA+U calculations. In that the doping of Ce has shifted up the Fermi level and resulted in marked shrinkage of hole pockets originally existing in La_0.7Ca_0.3MnO_3 (LCaMO). The Hall measurements indicate that in LCeMO the carriers are still displaying the characteristics of holes as LDA+U calculations predict. Analyses of the optical reflectance spectra evidently disapprove the scenario that the present LCeMO might have been dominated by the La-deficient phases.
dc.description4 pages; Physical Review B, in press
dc.identifierhttps://arxiv.org/abs/cond-mat/0509351
dc.identifierhttp://arxiv.org/abs/cond-mat/0509351
dc.identifierPhys. Rev. B 72, 132410 (2005).
dc.identifierdoi:10.1103/PhysRevB.72.132410
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/95842
dc.subjectStrongly Correlated Electrons
dc.subjectMaterials Science
dc.titleElectronic structure and transport properties of La_0.7Ce_0.3MnO_3
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