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Electronic structure of high Tc cuprates by electron spectroscopies

Sarma, DD (1989) Electronic structure of high Tc cuprates by electron spectroscopies. In: NATO ASI Series, Series C: Mathematical and Physical Sciences, 276 . pp. 499-507.

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Abstract

Electron spectroscopic techniques were used to show that the ground state of high TC cuprates is primarily described in terms of mixed valency between 3d9 and 3d10-related configurations, with very little Cu3+(3d8) configuration. Temp. dependent changes in the special features are interpreted in terms of formation of dimerized hole species in primarily oxygen p-derived band, while Cu concomitantly assumes a larger proportion of 3d10 related configuration. The formation of these dimerized hole species leads to a drastic decrease in the frequency dependent surface resistivity of the samples.

Item Type: Journal Article
Additional Information: The copyright belongs to NATO ASI.
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 14 Dec 2007
Last Modified: 07 Feb 2012 08:32
URI: http://eprints.iisc.ernet.in/id/eprint/12382

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