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

被引：414

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

来源：

PHYSICAL REVIEW LETTERS | 2002年 / 88卷 / 13期

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.

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页码：4 / 137005

页数：4

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