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

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 languageEnglish
Article number205138
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume91
Issue number20
DOIs
StatePublished - 27 May 2015
Externally publishedYes

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