Anomalous Electronic Susceptibility in Bi2sr2cuo6+d

Details Anomalous Electronic Susceptibility in Bi2sr2cuo6+d Anomalous Electronic Susceptibility in Bi2sr2cuo6+d

2002-08-26

arxiv.org/abs/cond-mat/0208489v1

Physics

Condensed Matter

Superconductivity

6 pages, 2 figures, presented at CIMTEC, Florence, Italy July 14-18, 2002

Scientific paper

We report magnetic susceptibility performed on overdoped Bi2Sr2CuO6+d powders as a function of oxygen doping d and temperature T. The decrease of the spin susceptibility chis with increasing T is confirmed. At sufficient high temperature, chis presents an unusual linear temperature dependence chis=chis0 -chi1T . Moreover, a linear correlation between chi1 and chis0 for increasing hole concentration has been displayed. These non conventional metal features will be discussed in terms of a singular narrow-band structures.

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