Sarma, DD and Sena, P and Gudat, W and Carbone, C (1991) Spectroscopic evidence for the removal of mobile holes on Fe doping in YBa2Cu3-xFexO7-δ. In: Solid State Communications, 77 (5). 381-383 .
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Official URL: http://dx.doi.org/10.1016/0038-1098(91)90755-K
Abstract
X-ray absorption spectra at the oxygen K edge using the total yield technique are reported for YBa2Cu3O6.9 and YBa2Cu2.7Fe0.3O6.9. A comparison of the two spectra reveals that the mobile holes in YBa2Cu3O7-δ are removed and localized on Fe doping. Fe thus enters the lattice primarily in the formally trivalent oxidation state.
| Item Type: | Journal Article |
|---|---|
| Publication: | Solid State Communications |
| Publisher: | Elsevier science |
| Additional Information: | Copyright of this article belongs to Elsevier science. |
| Department/Centre: | Division of Chemical Sciences > Solid State & Structural Chemistry Unit |
| Date Deposited: | 30 Nov 2010 10:42 |
| Last Modified: | 30 Nov 2010 10:42 |
| URI: | http://eprints.iisc.ac.in/id/eprint/34138 |
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