Normal-state electronic structure in the heavily overdoped regime of Bi1.74Pb0.38Sr1.88CuO6+δ single-layer cuprate superconductors:: An angle-resolved photoemission study

被引：15

作者：

Yang, K ^{[1
]}

Xie, BP

Shen, DW

Zhao, JF

Ou, HW

Wei, J

Wang, S

Wang, YH

Lu, DH

He, RH

Arita, M

Qiao, S

Ino, A

Namatame, H

Taniguchi, M

Xu, FQ

Kaneko, N

Eisaki, H

Feng, DL

机构：

[1] Fudan Univ, Dept Phys, Appl Surface Phys State Key Lab, Shanghai 200433, Peoples R China

[2] Fudan Univ, Synchrotron Radiat Res Ctr, Shanghai 200433, Peoples R China

[3] Stanford Univ, Stanford Synchrotron Radiat Lab, Stanford, CA 94305 USA

[4] Hiroshima Univ, Hiroshima Synchrotron Radiat Ctr, Higashihiroshima 7398526, Japan

[5] Hiroshima Univ, Grad Sch Sci, Higashihiroshima 7398526, Japan

[6] Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230027, Peoples R China

[7] AIST, Tsukuba, Ibaraki 3058568, Japan

来源：

PHYSICAL REVIEW B | 2006年 / 73卷 / 14期

关键词：

D O I：

10.1103/PhysRevB.73.144507

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We explore the electronic structure in the heavily overdoped regime of the single-layer cuprate superconductor Bi1.74Pb0.38Sr1.88CuO6+delta. We found that the nodal quasiparticle behavior is dominated mostly by phonons, while the antinodal quasiparticle line shape is dominated by spin fluctuations. Moreover, while long range spin fluctuations diminish at very high doping, the local magnetic fluctuations still dominate the quasiparticle dispersion, and the system exhibits a strange metal behavior in the entire overdoped regime.

引用

页数：6

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