Local magnetic order vs superconductivity in a layered cuprate

被引：214

作者：

Ichikawa, N

Uchida, S

Tranquada, JM

Niemöller, T

Gehring, PM

Lee, SH

Schneider, JR

机构：

[1] Univ Tokyo, Sch Engn, Dept Superconduct, Bunkyo Ku, Tokyo 1138656, Japan

[2] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA

[3] DESY, Hamburger Synchrotronstrahlungslabor, HASYLAB, D-22603 Hamburg, Germany

[4] NIST, Ctr Neutron Res, Gaithersburg, MD 20899 USA

[5] Univ Maryland, College Pk, MD 20742 USA

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 08期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevLett.85.1738

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on the phase diagram for charge-stripe order in La1.6-xNd0.4SrxCuO4, determined by neutron and x-ray scattering studies and resistivity measurements. From an analysis of the in-plane resistivity motivated by recent nuclear-quadrupole-resonance studies, we conclude that the transition temperature for local charge ordering decreases monotonically with x, and hence that local antiferromagnetic order is uniquely correlated with the anomalous depression of superconductivity at x approximate to 1/8. This result is consistent with theories in which superconductivity depends on the existence of charge-stripe correlations.

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页码：1738 / 1741

页数：4

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