Effect of a magnetic field on long-range magnetic order in stage-4 and stage-6 superconducting La2CuO4+y -: art. no. 054501

被引：45

作者：

Khaykovich, B ^{[1
]}

Birgeneau, RJ

Chou, FC

Erwin, RW

Kastner, MA

Lee, SH

Lee, YS

Smeibidl, P

Vorderwisch, P

Wakimoto, S

机构：

[1] MIT, Dept Phys, Cambridge, MA 02139 USA

[2] MIT, Ctr Mat Sci & Engn, Cambridge, MA 02139 USA

[3] Univ Toronto, Dept Phys, Toronto, ON M5S 1A7, Canada

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

[5] Hahn Meitner Inst Berlin GmbH, BENSC 4, D-14109 Berlin, Germany

来源：

PHYSICAL REVIEW B | 2003年 / 67卷 / 05期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevB.67.054501

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have measured the enhancement of the static incommensurate spin-density wave (SDW) order by an applied magnetic field in stage-4 and stage-6 samples of superconducting La2CuO4+y. We show that the stage-6 La2CuO4+y (T-c=32 K) forms static long-range SDW order with the same wave vector as that in the previously studied stage-4 material. We have measured the field dependence of the SDW magnetic Bragg peaks in both stage-4 and stage-6 materials at fields up to 14.5 T. A recent model of competing SDW order and superconductivity describes these data well.

引用

页数：6

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