Complete Fermi surface mapping ofBi2Sr2 | Zendy

P. Aebi | Zendy; Jürg Osterwalder | Zendy; P. Schwaller | Zendy; L. Schlapbach | Zendy; Masahiko Shimoda | Zendy; T. Mochiku | Zendy; K. Kadowaki | Zendy

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Complete Fermi surface mapping ofBi2Sr2

Author(s) -

P. Aebi,

Jürg Osterwalder,

P. Schwaller,

L. Schlapbach,

Masahiko Shimoda,

T. Mochiku,

K. Kadowaki

Publication year - 1994

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.72.2757

Subject(s) - fermi surface , surface (topology) , fermi gamma ray space telescope , physics , antiferromagnetism , fermi level , condensed matter physics , superstructure , geometry , mathematics , quantum mechanics , thermodynamics , superconductivity , electron

The Fermi surface of Bi2Sr2CaCu2O8+x(001) has been mapped at nearly 6000 points in k space using angle-resolved photoemission at 300 K. We observe both features that are in good agreement with the local density calculation of Massidda, Yu, and Freeman [Physica (Amsterdam) 158C, 251 (1988)] and others that are missing in the calculation. Among those missing, most importantly, we find a c(2×2) superstructure on the Fermi surface strongly suggesting short range antiferromagnetic correlations. It is remarkable that this is evident in the metallic state and in the Fermi surface itself

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