Photoemission study of Pb doped <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msub><mrow><mi mathvariant="normal">Bi</mi></mrow><mrow><mn>2</mn></mrow></msub></mrow><mrow><msub><mrow><mi mathvariant="normal">Sr</mi></mrow><mrow><mn>2</mn></mrow></msub></mrow><mrow><msub><mrow><mi mathvariant="normal">CaCu</mi></mrow><mrow><mn>2</mn></mrow></msub></mrow><mrow><msub><mrow><mi mathvariant="normal">O</mi></mrow><mrow><mn>8</mn></mrow></msub></mrow><mo>:</mo></math></span> A Fermi surface picture

P. V. Bogdanov; A. Lanzara; X. J. Zhou; S. A. Kellar; D. L. Feng; E. D. Lu; H. Eisaki; J.-I. Shimoyama; K. Kishio; Z. Hussain; Z. X. Shen

doi:10.1103/PhysRevB.64.180505

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Photoemission study of Pb doped ${Bi}_{2} {Sr}_{2} {CaCu}_{2} O_{8} :$ A Fermi surface picture

P. V. Bogdanov, A. Lanzara, X. J. Zhou, S. A. Kellar, D. L. Feng, E. D. Lu, H. Eisaki, J.-I. Shimoyama, K. Kishio, Z. Hussain, and Z. X. Shen

Phys. Rev. B 64, 180505(R) – Published 4 October 2001

Abstract

High resolution angle resolved photoemission data from Pb doped ${Bi}_{2} {Sr}_{2} {CaCu}_{2} O_{8}$ (Bi2212) with suppressed superstructure is presented. Improved resolution and very high momentum space sampling at various photon energies reveal the presence of two Fermi surface pieces. One has the holelike topology, while the other one has its van Hove singularity very close to $(π, 0),$ its topology at some photon energies resembles the electronlike piece. This result provides a unifying picture of the Fermi surface in the Bi2212 compound and reconciles the conflicting reports.

Received 11 June 2001

DOI:https://doi.org/10.1103/PhysRevB.64.180505

Authors & Affiliations

P. V. Bogdanov¹, A. Lanzara^1,2, X. J. Zhou¹, S. A. Kellar¹, D. L. Feng¹, E. D. Lu², H. Eisaki¹, J.-I. Shimoyama³, K. Kishio³, Z. Hussain², and Z. X. Shen¹

¹Department of Physics, Applied Physics and Stanford Synchrotron Radiation Laboratory, Stanford University, Stanford, California 94305
²Advanced Light Source, Lawrence Berkeley National Lab, Berkeley, California 94720
³Department of Applied Chemistry, University of Tokyo, Tokyo 113-8656, Japan

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Vol. 64, Iss. 18 — 1 November 2001

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