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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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.
|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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