Muon spin rotation measurements of heterogeneous field response in overdoped La2-xSrxCuO4

被引：12

作者：

MacDougall, G. J. ^{[1
]}

Savici, A. T. ^{[2
,3
]}

Aczel, A. A. ^{[1
]}

Birgeneau, R. J. ^{[4
,5
,6
]}

Kim, H. ^{[4
]}

Kim, S. -J. ^{[1
]}

Ito, T. ^{[2
,7
]}

Rodriguez, J. A. ^{[1
]}

Russo, P. L. ^{[2
]}

Uemura, Y. J. ^{[2
]}

Wakimoto, S. ^{[5
,6
,8
]}

Wiebe, C. R. ^{[1
,2
]}

Luke, G. M. ^{[1
,9
]}

机构：

[1] McMaster Univ, Dept Phys & Astron, Hamilton, ON L8S 4M1, Canada

[2] Columbia Univ, Dept Phys, New York, NY 10027 USA

[3] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA

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

[5] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[6] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

[7] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3059562, Japan

[8] Japan Atom Energy Agcy, Quantum Beam Sci Directorate, Tokai, Ibaraki 3191195, Japan

[9] Canadian Inst Adv Res, Toronto, ON M5G 1Z8, Canada

来源：

PHYSICAL REVIEW B | 2010年 / 81卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

INDUCED LOCAL MOMENTS; MAGNETIC-PROPERTIES; ZN-SUBSTITUTION; PAIR-BREAKING; NMR EVIDENCE; DOPED HOLES; SUPERCONDUCTIVITY; CUPRATE; IMPURITIES; TRANSITION;

D O I：

10.1103/PhysRevB.81.014508

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Transverse-field muon spin rotation measurements of overdoped La2-xSrxCuO4 reveal a large broadening of the local magnetic field distribution in response to applied field, persisting to high temperatures. The field response is approximately Curie-Weiss-like in temperature and is largest for the highest doping investigated. Such behavior is contrary to the canonical Fermi-liquid picture commonly associated with the overdoped cuprates and implies extensive heterogeneity in this region of the phase diagram. A possible explanation for the result lies in regions of staggered magnetization about dopant cations, analogous to what is argued to exist in underdoped systems.

引用

页数：7

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