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Proceedings Paper

Effect of Zn and Ni substitution on TN and Tc of copper oxides
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Paper Abstract

It's shown in the framework ofthe multiband p-d model that formal Ni2 ion state is not a S1 d8 ion but is a mixture of d9 5=1/2 and d'° 5=0 configurations. High spin contribution is eliminated by strong electron correlations. We assume that for both Zn and Ni substitution the concentration dependence of TN and T is determined by the diamagnetic contribution to the impurity state and this assumption is in a good agreement with experimental data on 1 :2:3 and 2: 1 :4 systems.

Paper Details

Date Published: 5 July 1996
PDF: 8 pages
Proc. SPIE 2697, Oxide Superconductor Physics and Nano-Engineering II, (5 July 1996); doi: 10.1117/12.250234
Show Author Affiliations
Sergei G. Ovchinnikov, L.V. Kirensky Institute of Physics (Russia)


Published in SPIE Proceedings Vol. 2697:
Oxide Superconductor Physics and Nano-Engineering II
Ivan Bozovic; Davor Pavuna, Editor(s)

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