Electrical Resistivity Anisotropy from Self-Organized One Dimensionality in High-Temperature Superconductors
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- 19 March 2002
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 88 (13) , 137005
- https://doi.org/10.1103/physrevlett.88.137005
Abstract
We investigate the manifestation of stripes in the in-plane resistivity anisotropy in untwinned single crystals of ( ) and ( ). It is found that both systems show strongly temperature-dependent in-plane anisotropy in the lightly hole-doped region and that the anisotropy in grows with decreasing below 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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