Calculated Cleavage Behavior and Surface States of LaOFeAs

Abstract

The layered structure of the iron based superconductors gives rise to a more or less pronounced two-dimensionality of their electronic structure, most pronounced in LaOFeAs. A consequence are distinct surface states to be expected to influence any surface sensitive experimental probe. In this work a detailed density functional analysis of the cleavage behavior and the surface electronic structure of LaOFeAs is presented. The surface states are obtained to form two-dimensional bands with their own Fermi surfaces markedly different from the bulk electronic structure.

References in corpus (5)

• Crystallographic Phase Transition and High-Tc Superconductivity in LaFeAsO:F
• Tight-binding models for the new iron based superconductor materials
• Electronic Structure of Fe-Based Superconductors
• Coulomb repulsion and correlation strength in LaFeAsO from Density Functional and Dynamical Mean-Field Theories
• ARPES studies of the electronic structure of LaOFe(P,As)

Cited by in corpus (18)

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• Iron based superconductors: magnetism, superconductivity and electronic structure
• Spectroscopic scanning tunneling microscopy insights into Fe-based superconductors
• Existence, character and origin of surface-related bands in the high temperature iron pnictide superconductor BaFe_{2-x}Co_{x}As_{2}
• Surface and bulk electronic structures of LaOFeAs studied by angle resolved photoemission spectroscopy
• Interaction-induced singular Fermi surface in a high-temperature oxypnictide superconductor
• Surface-driven electronic structure in LaFeAsO studied by angle resolved photoemission spectroscopy
• Spectral properties of transition metal pnictides and chalcogenides: angle-resolved photoemission spectroscopy and dynamical mean field theory
• Bulk electronic structure of superconducting LaRu2P2 single crystals measured by soft x-ray angle-resolved photoemission spectroscopy
• Quasiparticle interference of C2-symmetric surface states in LaOFeAs parent compound
• High-temperature superconductivity from fine-tuning of Fermi-surface singularities in iron oxypnictides
• Impurity-induced quasiparticle interference in the parent compounds of iron-pnictide superconductors
• Presence of magnetic excitations in SmFeAsO
• Topological Surface States in Paramagnetic and Antiferromagnetic Iron Pnictides
• Hidden Order as a Source of Interface Superconductivity
• Disentangling the surface and bulk electronic structures of LaOFeAs
• Strong surface termination dependence of the electronic structure of polar superconductor LaFeAsO revealed by nano-ARPES
• Observation of the bands with $d_{xy}$ orbital character near the Fermi level in NdFeAs${}_{1-x}$P${}_x$O${}_{0.9}$F${}_{0.1}$ using angle-resolved photoemission spectroscopy