Titlebook: Angle Resolved Photoemission Spectroscopy of Delafossite Metals; Veronika Sunko Book 2019 Springer Nature Switzerland AG 2019 Angle Resolv

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Rashba-Like Spin-Split Surface States,d shown in Sect.?. on the example of PdCoO.. The surface states found on their CoO.-terminated surfaces are the topic of this chapter, which I will start by describing the experimental observations, and the conclusions that can be drawn based on the experiments and symmetry arguments alone (Sect.?.)

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Conclusions and Outlook,hese experiments. We were initially motivated by the extraordinarily high conductivity of delafossites, and wanted to study their bulk electronic structure. In both PtCoO. and PdCoO. we observed fast bands crossing the Fermi level and forming hexagonal Fermi surfaces. However, the two most relevant

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Coupling of Metallic and Mott-Insulating States in PdCrO2,g to understand the magnitude of the observed signal it became clear that our experimental observations cannot be explained in terms of simple models of electrons in a periodic potential. Reaching this conclusion required a general analysis of photoemission intensity in systems with periodic potenti

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Rashba-Like Spin-Split Surface States,d on 3. orbitals, motivating a careful examination of the basic principles underlying the appearance of spin-split band structures in solids (Sects.?.–.). This analysis, although motivated by our measurements, in not at all specific to delafossites. In contrast, it outlines a general framework which