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Novel spectral evolution with electron doping in $d^o$ transition metal oxides

Sarma, DD and Barman, SR and Kajueter, H and Kotliar, G (1996) Novel spectral evolution with electron doping in $d^o$ transition metal oxides. In: Physica B: Condensed Matter, 223-22 . pp. 496-500.

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We discuss high-energy spectroscopic results for systems representing electron doping near the $d^o$ configuration and establish that the spectral evolution with doping is inconsistent with expectations based on the Hubbard model. We argue that this failure arises due to the neglect of disorder in the real system. We present a new theoretical approach which takes into account the inhomogeneity of real systems; this approach provides results which are qualitatively different from the standard homogeneous models, but are in agreement with the experimental observations.

Item Type: Journal Article
Publication: Physica B: Condensed Matter
Publisher: Elsevier
Additional Information: Copyright of this article belongs to Elsevier.
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 02 May 2007
Last Modified: 19 Sep 2010 04:37
URI: http://eprints.iisc.ac.in/id/eprint/10815

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