Anomalous momentum dependence of the quasiparticle scattering ratein overdoped Bi2Sr2CaCu2O8

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The question of the anisotropy of the electron scattering in high temperature superconductors is investigated using high resolution angle-resolved photoemission data from Pb-doped Bi2Sr2CaCu2O8(Bi2212) with suppressed superstructure. The scattering rate of low energy electrons along two bilayer split pieces of the Fermi surface is measured (via the quasiparticle peak width), and no increase of scattering towards the antinode (Pi,0) region is observed, contradicting the expectation from Q=(Pi, Pi) scattering. The results put a limit on the effects of Q=(Pi, Pi) scattering on the electronic structure of this overdoped superconductor with still very high Tc.

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Bogdanov, P. V.; Lanzara, A.; Zhou, X. J.; Yang, W. L.; Eisaki, H.; Hussain, Z. et al. October 14, 2002.

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The question of the anisotropy of the electron scattering in high temperature superconductors is investigated using high resolution angle-resolved photoemission data from Pb-doped Bi2Sr2CaCu2O8(Bi2212) with suppressed superstructure. The scattering rate of low energy electrons along two bilayer split pieces of the Fermi surface is measured (via the quasiparticle peak width), and no increase of scattering towards the antinode (Pi,0) region is observed, contradicting the expectation from Q=(Pi, Pi) scattering. The results put a limit on the effects of Q=(Pi, Pi) scattering on the electronic structure of this overdoped superconductor with still very high Tc.

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  • Journal Name: Physical Review Letters; Journal Volume: 89; Journal Issue: 16; Related Information: Journal Publication Date: 10/14/2002

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  • Report No.: LBNL--53359
  • Grant Number: DE-AC02-05CH11231
  • Grant Number: NSF:DMR-0071897
  • DOI: 10.1103/PhysRevLett.89.167002 | External Link
  • Office of Scientific & Technical Information Report Number: 886601
  • Archival Resource Key: ark:/67531/metadc873834

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  • October 14, 2002

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  • Sept. 21, 2016, 2:29 a.m.

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  • Jan. 6, 2017, 1:53 p.m.

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Bogdanov, P. V.; Lanzara, A.; Zhou, X. J.; Yang, W. L.; Eisaki, H.; Hussain, Z. et al. Anomalous momentum dependence of the quasiparticle scattering ratein overdoped Bi2Sr2CaCu2O8, article, October 14, 2002; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc873834/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.