Ghigna, P. and Spinolo, G. and Filipponi, A. and Chadwick, A.V. and Hanmer, P. (1995) Exafs Evidence of Interstitial Oxygen Defects in ND2CUO4+DELTA. Physica C, 246 (3-4). pp. 345-350. ISSN 0921-4534.
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| Official URL http://dx.doi.org/ 10.1016/0921-4534(95)00144-1 |
Abstract
Cu K EXAFS spectra have been measured in order to elucidate the local chemical environment of copper in Nd2CuO4+delta. It has been found that the EXAFS is dominated by coherent multiple scattering in the CuO2 planes, where copper is in almost undistorted square-planar co-ordination. By subtracting the spectra of two samples annealed at different oxygen partial pressures (1 and 10(-6) atm., respectively), evidence is attained of oxygen interstitials in the region of p-type conductivity.
| Item Type: | Article |
|---|---|
| Subjects: | Q Science > QC Physics |
| Divisions: | Faculties > Science Technology and Medical Studies > School of Engineering and Digital Arts |
| Depositing User: | P. Ogbuji |
| Date Deposited: | 01 Jun 2009 11:46 |
| Last Modified: | 04 Jun 2009 06:14 |
| Resource URI: | http://kar.kent.ac.uk/id/eprint/19550 (The current URI for this page, for reference purposes) |
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