A photoemission study to confirm the second order nature of anomalous O 2s resonant enhancement of Bi2Sr2CaCu2O8(001) fermi level states

P. L. Wincott, A. G. Thomas, R. Lindsay, C. A. Muryn, C. F.J. Flipse, G. N. Raiker, G. Thornton, T. R. Cummins, O. Cohen, R. G. Egdell, J. R. Laverty, P. W. Mitchell, J. W. Ross, D. S.L. Law, D. M.P. Holland, L. Leonyuk, B. C. Morris, W. R. Flavell

Research output: Contribution to journalArticlepeer-review

Abstract

We have performed a synchrotron-excited angle resolved photoemission study of the valence band region of cleaved Bi2Sr2CaCu2O8(001) samples. By recording spectra between 16 and 30eV on two separate beamlines with differing second order light contributions, we have investigated the origin of previously reported "anomalous" O 2s resonant enhancement of Fermi level states, in which the features showing resonant enhancement apparently disperse with photon energy. Our results indicate that anomalous O 2s resonant enhancement may be explained by second order effects.

Original languageEnglish
Pages (from-to)1047-1048
Number of pages2
JournalPhysica C: Superconductivity and its applications
Volume185-189
Issue numberPART 2
DOIs
Publication statusPublished - 1 Dec 1991

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