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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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 |
|---|---|
| Publication: | NATO ASI Series, Series C: Mathematical and Physical Sciences |
| Publisher: | NATO ASI |
| 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.ac.in/id/eprint/12382 |
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