Crystal field splitting and optical bandgap of hexagonal LuFeO<inf>3</inf> films
Permanent link to this recordhttp://hdl.handle.net/20.500.12613/5980
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AbstractHexagonal LuFeO3 films have been studied using x-ray absorption and optical spectroscopy. The crystal splitting of Fe3+ is extracted as Ee' - Ee = 0.7 eV and Ea1' - Ee' = 0.9 eV, and a 2.0eV optical bandgap is determined assuming a direct gap. First-principles calculations confirm the experiments that the relative energies of crystal field splitting states do follow E a1' > Ee' > Ee with slightly underestimated values and a bandgap of 1.35eV. © 2012 American Institute of Physics.
Citation to related workAIP Publishing
Has partApplied Physics Letters
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