Interrelation of lattice, charge, and spin degrees of freedom in iron based systems Article Swipe
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Magnetic order is a dominating phase in iron based pnictides and chalcogenides. Neither its origin nor its interplay with the neighbouring phases of nematic order and unconventional superconductivity are well understood yet. Raman spectroscopy allows access to the relevant excitations. This thesis focusses on the role of magnetism on lattice anomalies and the discrimination of localized and itinerant magnetic order. Simulations and experiments show that the magnetism in FeSe results from frustrated localized moments.
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