Abstract
Photoemission results in the cuprate superconductors [1] show that close to the Fermi energy and aroundM point flat copper-oxygen bands with small bismuth contribution appear in an extended region. In this paper we determine from first principles the bandstructure of Bi2201 using the FP-LMTO method within the LDA. We show that the position relative to the Fermi energy and the dispersion of the calculated copper-oxygen bands are dependent on surface effects. Surface reconstruction is also analyzed.
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Rodriguez, C.O., Weht, R., Weissmann, M. et al. Electronic structure ofBi 2 Sr 2 CuO 6 (Bi2201): Description of the copper-oxygen bands close to the fermi energy. J Supercond 8, 639–640 (1995). https://doi.org/10.1007/BF00727455
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DOI: https://doi.org/10.1007/BF00727455