Charge Segregation and Antiferromagnetism in High-Tc Superconductors
arXiv:cond-mat/9903453 · doi:10.1016/S0022-3697(99)00041-4
Abstract
Local antiferromagnetism coexists with superconductivity in the cuprates. Charge segregation provides a way to reconcile these properties. Direct evidence for modulated spin and charge densities has been found in neutron and X-ray scattering studies of Nd-doped La(2-x)Sr(x)CuO(4). Here we discuss the nature of the modulation, and present some new results for a Zn-doped sample. Some of the open questions concerning the connections between segregation and superconductivity are described.
arXiv comment9 pp using elsart.sty, 3 eps figures included with psfig.sty, for Proc. of ISSP-7, to be published in J. Phys. Chem. Solids
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