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23 April 2024

» arxiv » cond-mat/0208489

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Anomalous Electronic Susceptibility in Bi2sr2cuo6+d
G. Le Bras-Jasmin ; Z. Konstantinovic ; J.P. Carton ; D. Colson ; A. Forget ; F. Jean ; G. Collin ; Y. Dumont ; C. Ayache ;
Date:	26 Aug 2002
Subject:	Superconductivity; Strongly Correlated Electrons \| cond-mat.supr-con cond-mat.str-el
Abstract:	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.
Source:	arXiv, cond-mat/0208489
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