Electrical resistivity Anisotropy from self-organized one dimensionality in high-temperature superconductors

被引:413
|
作者
Ando, Y [1 ]
Segawa, K [1 ]
Komiya, S [1 ]
Lavrov, AN [1 ]
机构
[1] Cent Res Inst Elect Power Ind, Tokyo 2018511, Japan
关键词
D O I
10.1103/PhysRevLett.88.137005
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We investigate the manifestation of stripes in the in-plane resistivity anisotropy in untwinned single crystals of La2-xSrxCuO4 (x = 0.02-0.04) and YBa2Cu3Oy (y = 6.35-7.0). It is found that both systems show strongly temperature-dependent in-plane anisotropy in the lightly hole-doped region and that the anisotropy in YBa2Cu3Oy grows with decreasing y below similar to6.60 despite the decreasing orthorhombicity, which gives most direct evidence that electrons self-organize into a macroscopically anisotropic state. The transport is found to be easier along the direction of the spin stripes already reported, demonstrating that the stripes are intrinsically conducting in cuprates.
引用
收藏
页码:4 / 137005
页数:4
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