Zn-substitution effects on the low-energy quasiparticles in Bi2Sr2CaCu2O8+δ studied by angle-resolved photoemission spectroscopy

S. Nishina; T. Sato; T. Takahashi; S. C. Wang; H. B. Yang; H. Ding; K. Kadowaki

doi:10.1016/S0022-3697(02)00103-8

Zn-substitution effects on the low-energy quasiparticles in Bi₂Sr₂CaCu₂O_8+δ studied by angle-resolved photoemission spectroscopy

S. Nishina, T. Sato, T. Takahashi, S. C. Wang, H. B. Yang, H. Ding, K. Kadowaki

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

We have performed high-resolution angle-resolved photoemission spectroscopy on Bi₂Sr₂Ca(Cu_1-xZn_x)₂O_8+δ (x = 0.0, 0.05) to study the Zn-substitution effects on the low-energy quasiparticles. We found that the Zn substitution causes the reduction of the quasiparticle intensity and the superconducting gap, while it does not affect the normal-state band dispersion, the Fermi surface, or the quasiparticle lifetime. This indicates that the Zn substitution locally destroys or hinders the superconducting pairing and as a result decreases the superfluid density, but does not affect the long-range coherence among quasiparticles.

Original language	English
Pages (from-to)	1069-1072
Number of pages	4
Journal	Journal of Physics and Chemistry of Solids
Volume	63
Issue number	6-8
DOIs	https://doi.org/10.1016/S0022-3697(02)00103-8
Publication status	Published - 2002

Keywords

A. Oxides
C. Photoelectron spectroscopy
D. Superconductivity

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

Access to Document

10.1016/S0022-3697(02)00103-8

Cite this

@article{25386d8a0b904bac99d9d891f34c3c0d,

title = "Zn-substitution effects on the low-energy quasiparticles in Bi2Sr2CaCu2O8+δ studied by angle-resolved photoemission spectroscopy",

abstract = "We have performed high-resolution angle-resolved photoemission spectroscopy on Bi2Sr2Ca(Cu1-xZnx)2O8+δ (x = 0.0, 0.05) to study the Zn-substitution effects on the low-energy quasiparticles. We found that the Zn substitution causes the reduction of the quasiparticle intensity and the superconducting gap, while it does not affect the normal-state band dispersion, the Fermi surface, or the quasiparticle lifetime. This indicates that the Zn substitution locally destroys or hinders the superconducting pairing and as a result decreases the superfluid density, but does not affect the long-range coherence among quasiparticles.",

keywords = "A. Oxides, C. Photoelectron spectroscopy, D. Superconductivity",

author = "S. Nishina and T. Sato and T. Takahashi and Wang, {S. C.} and Yang, {H. B.} and H. Ding and K. Kadowaki",

note = "Funding Information: This work was supported by a grant from the MEXT of Japan. TS thanks the Japan Society for the Promotion of Science for financial support.",

year = "2002",

doi = "10.1016/S0022-3697(02)00103-8",

language = "English",

volume = "63",

pages = "1069--1072",

journal = "Journal of Physics and Chemistry of Solids",

issn = "0022-3697",

publisher = "Elsevier Limited",

number = "6-8",

}

TY - JOUR

T1 - Zn-substitution effects on the low-energy quasiparticles in Bi2Sr2CaCu2O8+δ studied by angle-resolved photoemission spectroscopy

AU - Nishina, S.

AU - Sato, T.

AU - Takahashi, T.

AU - Wang, S. C.

AU - Yang, H. B.

AU - Ding, H.

AU - Kadowaki, K.

N1 - Funding Information: This work was supported by a grant from the MEXT of Japan. TS thanks the Japan Society for the Promotion of Science for financial support.

PY - 2002

Y1 - 2002

N2 - We have performed high-resolution angle-resolved photoemission spectroscopy on Bi2Sr2Ca(Cu1-xZnx)2O8+δ (x = 0.0, 0.05) to study the Zn-substitution effects on the low-energy quasiparticles. We found that the Zn substitution causes the reduction of the quasiparticle intensity and the superconducting gap, while it does not affect the normal-state band dispersion, the Fermi surface, or the quasiparticle lifetime. This indicates that the Zn substitution locally destroys or hinders the superconducting pairing and as a result decreases the superfluid density, but does not affect the long-range coherence among quasiparticles.

AB - We have performed high-resolution angle-resolved photoemission spectroscopy on Bi2Sr2Ca(Cu1-xZnx)2O8+δ (x = 0.0, 0.05) to study the Zn-substitution effects on the low-energy quasiparticles. We found that the Zn substitution causes the reduction of the quasiparticle intensity and the superconducting gap, while it does not affect the normal-state band dispersion, the Fermi surface, or the quasiparticle lifetime. This indicates that the Zn substitution locally destroys or hinders the superconducting pairing and as a result decreases the superfluid density, but does not affect the long-range coherence among quasiparticles.

KW - A. Oxides

KW - C. Photoelectron spectroscopy

KW - D. Superconductivity

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U2 - 10.1016/S0022-3697(02)00103-8

DO - 10.1016/S0022-3697(02)00103-8

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AN - SCOPUS:0036602081

SN - 0022-3697

VL - 63

SP - 1069

EP - 1072

JO - Journal of Physics and Chemistry of Solids

JF - Journal of Physics and Chemistry of Solids

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