Structural Origin of Apparent Fermi Surface Pockets in Angle-Resolved Photoemission of Bi2Sr2-xLaxCuO6+δ

被引：41

作者：

King, P. D. C. ^{[1
]}

Rosen, J. A. ^{[2
]}

Meevasana, W. ^{[1
,3
]}

Tamai, A. ^{[1
]}

Rozbicki, E. ^{[1
]}

Comin, R. ^{[2
]}

Levy, G. ^{[2
]}

Fournier, D. ^{[2
]}

Yoshida, Y. ^{[4
]}

Eisaki, H. ^{[4
]}

Shen, K. M. ^{[5
]}

Ingle, N. J. C. ^{[6
]}

Damascelli, A. ^{[2
,7
]}

Baumberger, F. ^{[1
]}

机构：

[1] Univ St Andrews, Sch Phys & Astron, St Andrews KY16 9SS, Fife, Scotland

[2] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada

[3] Suranaree Univ Technol, Sch Phys, Nakhon Ratchasima 30000, Thailand

[4] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan

[5] Cornell Univ, Lab Atom & Solid State Phys, Ithaca, NY 14853 USA

[6] Univ British Columbia, AMPEL, Vancouver, BC V6T 1Z1, Canada

[7] Univ British Columbia, Quantum Matter Inst, Vancouver, BC V6T 1Z4, Canada

来源：

PHYSICAL REVIEW LETTERS | 2011年 / 106卷 / 12期

基金：

美国国家科学基金会; 英国工程与自然科学研究理事会; 加拿大自然科学与工程研究理事会;

关键词：

HIGH-TEMPERATURE SUPERCONDUCTORS; T-C SUPERCONDUCTOR; PSEUDOGAP; STATE; BI2SR2CACU2O8+DELTA; COEXISTENCE; ARCS;

D O I：

10.1103/PhysRevLett.106.127005

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We observe apparent hole pockets in the Fermi surfaces of single-layer Bi-based cuprate superconductors from angle-resolved photoemission. From detailed low-energy electron diffraction measurements and an analysis of the angle-resolved photoemission polarization dependence, we show that these pockets are not intrinsic but arise from multiple overlapping superstructure replicas of the main and shadow bands. We further demonstrate that the hole pockets reported recently from angle-resolved photoemission [Meng et al., Nature (London) 462, 335 (2009)] have a similar structural origin and are inconsistent with an intrinsic hole pocket associated with the electronic structure of a doped CuO2 plane.

引用

页数：4

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