Electronic structure of the trilayer cuprate superconductor Bi2Sr2Ca2Cu3O10+δ

D. L. Feng, A. Damascelli, K. M. Shen, N. Motoyama, D. H. Lu, H. Eisaki, K. Shimizu, J. I. Shimoyama, K. Kishio, N. Kaneko, M. Greven, G. D. Gu, X. J. Zhou, C. Kim, F. Ronning, N. P. Armitage, Z. X. Shen

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Abstract

The angle-resolved photoemission spectroscopy was used to investigate low-energy electronic structure of the optimally doped trilayer cuprate superconductor Bi2Sr2Ca2Cu3 D10+δ. The Fermi surface and normal state quasiparticle dispersion and the superconducting d-wave gap and coherence peak were observed and compared with those of single and bilayer systems. It was found that the superconducting gap magnitude and the relative coherence-peak intensity scale linearly with critical temperature for various optimally doped materials.

Original languageEnglish (US)
Article number107001
Pages (from-to)1070011-1070014
Number of pages4
JournalPhysical Review Letters
Volume88
Issue number10
StatePublished - Mar 11 2002

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