Two-Dimensional Orbital-Like Magnetic Order in the High-Temperature La2-xSrxCuO4 Superconductor

被引：62

作者：

Baledent, V. ^{[1
]}

Fauque, B. ^{[1
]}

Sidis, Y. ^{[1
]}

Christensen, N. B. ^{[2
,3
]}

Pailhes, S. ^{[1
,2
,3
]}

Conder, K. ^{[2
,3
]}

Pomjakushina, E. ^{[2
,3
]}

Mesot, J. ^{[2
,3
]}

Bourges, P. ^{[1
]}

机构：

[1] CEA Saclay, CNRS, CEA, Lab Leon Brillouin, F-91191 Gif Sur Yvette, France

[2] Swiss Fed Inst Technol, CH-5232 Villigen, Switzerland

[3] Paul Scherrer Inst, CH-5232 Villigen, Switzerland

来源：

PHYSICAL REVIEW LETTERS | 2010年 / 105卷 / 02期

关键词：

PSEUDOGAP;

D O I：

10.1103/PhysRevLett.105.027004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In high-temperature copper oxide superconductors, a novel magnetic order associated with the pseudogap phase has been identified in two different cuprate families over a wide region of temperature and doping. We report here the observation below 120 K of a similar magnetic ordering in the archetypal cuprate La2-xSrxCuO4 (LSCO) system for x = 0.085. In contrast with the previous reports, the magnetic ordering in LSCO is only short range with an in-plane correlation length of similar to 10 angstrom and is bidimensional (2D). Such a less pronounced order suggests an interaction with other electronic instabilities. In particular, LSCO also exhibits a strong tendency towards stripes ordering at the expense of the superconducting state.

引用

页数：4

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