Abstract
A theoretical investigation on the electronic structure of YBa 2Cu 3O 7(0 0 1) surface is presented. The bulk electronic structure of YBa 2Cu 3O 7 was described by the third-neighbor tight-binding formalism and the surface electronic structure was evaluated via an analytic scattering theoretical method. The layer density of states and the surface projected band structure of the ideal CuO terminated surface are calculated. In addition, the localized surface features and orbital properties along the surface Brillouin zone Γ–Y–S–X–Γ are discussed. The results are compared with the angle-resolved photoelectron spectroscopy studies.
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