Complete Fermi surface mapping of Bi2Sr2CaCu2O8+x(001) : Coexistence of short range antiferromagnetic correlations and metallicity in the same phase

Aebi, P.; Osterwalder, J.; Schwaller, P.; Schlapbach, L.; Shimoda, M.; Mochiku, T.; Kadowaki, K. (1994). Complete Fermi surface mapping of Bi2Sr2CaCu2O8+x(001) : Coexistence of short range antiferromagnetic correlations and metallicity in the same phase Physical Review Letters, 72(17), pp. 2757-2760. American Physical Society (APS) 10.1103/PhysRevLett.72.2757

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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.

Item Type:

Journal Article (Original Article)

Division/Institute:

School of Engineering and Computer Science > Institute for Surface Applied Laser, Phototonics and Surface Technologies ALPS
School of Engineering and Computer Science

Name:

Aebi, P.;
Osterwalder, J.;
Schwaller, P.;
Schlapbach, L.;
Shimoda, M.;
Mochiku, T. and
Kadowaki, K.

ISSN:

0031-9007

Publisher:

American Physical Society (APS)

Language:

English

Submitter:

Patrick Schwaller

Date Deposited:

04 Dec 2019 16:48

Last Modified:

04 Dec 2019 16:48

Publisher DOI:

10.1103/PhysRevLett.72.2757

URI:

https://arbor.bfh.ch/id/eprint/9260

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