Charge-density-wave order takes over antiferromagnetism in Bi2Sr2-xLaxCuO6 superconductors

被引：40

作者：

Kawasaki, S. ^{[1
]}

Li, Z. ^{[2
,3
]}

Kitahashi, M. ^{[1
]}

Lin, C. T. ^{[4
]}

Kuhns, P. L. ^{[5
]}

Reyes, A. P. ^{[5
]}

Zheng, Guo-qing ^{[1
,2
,3
]}

机构：

[1] Okayama Univ, Dept Phys, Okayama 7008530, Japan

[2] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China

[3] Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China

[4] Max Planck Inst Festkorperforsch, Heisenbergstr 1, D-70569 Stuttgart, Germany

[5] Natl High Magnet Field Lab, Tallahassee, FL 32310 USA

来源：

NATURE COMMUNICATIONS | 2017年 / 8卷

关键词：

HIGH-TEMPERATURE SUPERCONDUCTOR; MOTT INSULATOR; FIELD; INCOMMENSURATE; PSEUDOGAP; GROWTH; METAL;

D O I：

10.1038/s41467-017-01465-9

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Superconductivity appears in the cuprates when a spin order is destroyed, while the role of charge is less known. Recently, charge density wave (CDW) was found below the superconducting dome in YBa(2)Cu(3)Oy when a high magnetic field is applied perpendicular to the CuO2 plane, which was suggested to arise from incipient CDW in the vortex cores that becomes overlapped. Here by Cu-63-nuclear magnetic resonance, we report the discovery of CDW induced by an in-plane field, setting in above the dome in single-layered Bi2Sr2-xLaxCuO6. The onset temperature T-CDW takes over the antiferromagnetic order temperature T-N beyond a critical doping level at which superconductivity starts to emerge, and scales with the pseudogap temperature T*. These results provide important insights into the relationship between spin order, CDW and the pseudogap, and their connections to high-temperature superconductivity.

引用

页数：7

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