Charge stripes and antiferromagnetism in insulating nickelates and superconducting cuprates

被引:55
|
作者
Tranquada, JM [1 ]
机构
[1] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA
关键词
antiferromagnetism; layered nickelates and cuprates; change order;
D O I
10.1016/S0022-3697(98)00198-X
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Neutron and X-ray scattering studies have provided strong evidence for coupled spatial modulations of charge and spin densities in layered nickelates and cuprates. The accumulated results for La2-xSrixNiO4+delta are consistent with the strongly modulated topological-stripe concept. Clues from Nd-doped La2-xSrxCuO4 suggest similar behavior for the cuprates. The experimental results are summarized, and features that conflict with an interpretation based on a Fermi-surface instability are emphasized. A rationalization for the differences in transport properties between the cuprates and nickelates is given. (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:2150 / 2154
页数:5
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