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Variation of Cu-O charge-transfer energies in YBa2Cu3O7-x thin films studied by photoemission spectroscopy

Rao, CNR and Sarma, DD and Santra, AK (1992) Variation of Cu-O charge-transfer energies in YBa2Cu3O7-x thin films studied by photoemission spectroscopy. In: Physical Review B: Condensed Matter, 45 (18). 10814 -10815.

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Official URL: http://prb.aps.org/abstract/PRB/v45/i18/p10814_1

Abstract

It is pointed out that the change in the oxidation state of Cu in YBa2CU3O7-x with increasing x vitiates the trend in the Cu(2p) satellite intensity and hence the Cu-O charge-transfer energy. When Y is partly replaced by Ca, however, the satellite intensity and T(c) decrease with the increase in Ca content or hole concentration, just as in other cuprates.

Item Type: Editorials/Short Communications
Additional Information: Copyright of this article belongs to The American Physical Society.
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 30 May 2011 05:00
Last Modified: 30 May 2011 05:00
URI: http://eprints.iisc.ernet.in/id/eprint/37993

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