Anisotropic scattering rate in Fe-substituted Bi2Sr2Ca(Cu1-xFex)2 O8+δ

M. Naamneh; Y. Lubashevsky; E. Lahoud; G. D. Gu; A. Kanigel

doi:10.1103/PhysRevB.91.205138

Anisotropic scattering rate in Fe-substituted Bi₂Sr₂Ca(Cu1-xFex)₂ O₈+δ

M. Naamneh, Y. Lubashevsky, E. Lahoud, G. D. Gu, A. Kanigel

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Abstract

We measured the electronic structure of Fe-substituted Bi2212 using angle-resolved photoemission spectroscopy. We find that the substitution does not change the momentum dependence of the superconducting gap but induces a very anisotropic enhancement of the scattering rate. A comparison of the effect of Fe substitution to that of Zn substitution suggests that the Fe reduces Tc so effectively because it suppresses very strongly the coherence weight around the antinodes.

Original language	English
Article number	205138
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	91
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevB.91.205138
State	Published - 27 May 2015
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.91.205138

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abstract = "We measured the electronic structure of Fe-substituted Bi2212 using angle-resolved photoemission spectroscopy. We find that the substitution does not change the momentum dependence of the superconducting gap but induces a very anisotropic enhancement of the scattering rate. A comparison of the effect of Fe substitution to that of Zn substitution suggests that the Fe reduces Tc so effectively because it suppresses very strongly the coherence weight around the antinodes.",

author = "M. Naamneh and Y. Lubashevsky and E. Lahoud and Gu, {G. D.} and A. Kanigel",

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AU - Lahoud, E.

AU - Gu, G. D.

AU - Kanigel, A.

PY - 2015/5/27

Y1 - 2015/5/27

N2 - We measured the electronic structure of Fe-substituted Bi2212 using angle-resolved photoemission spectroscopy. We find that the substitution does not change the momentum dependence of the superconducting gap but induces a very anisotropic enhancement of the scattering rate. A comparison of the effect of Fe substitution to that of Zn substitution suggests that the Fe reduces Tc so effectively because it suppresses very strongly the coherence weight around the antinodes.

AB - We measured the electronic structure of Fe-substituted Bi2212 using angle-resolved photoemission spectroscopy. We find that the substitution does not change the momentum dependence of the superconducting gap but induces a very anisotropic enhancement of the scattering rate. A comparison of the effect of Fe substitution to that of Zn substitution suggests that the Fe reduces Tc so effectively because it suppresses very strongly the coherence weight around the antinodes.

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Anisotropic scattering rate in Fe-substituted Bi₂Sr₂Ca(Cu1-xFex)₂ O₈+δ

Abstract

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