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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Schmitt, T.
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Topics
Publications (18/18 displayed)
- 2023Are high-energy photoemission final states free-electron-like?
- 2023High-energy photoemission final states beyond the free-electron approximation
- 2020Electronic structure of the parent compound of superconducting infinite-layer nickelatescitations
- 2020Artificial quantum confinement in LaAlO 3 /SrTiO 3 heterostructurescitations
- 2020Artificial quantum confinement in LaAl O3/SrTi O3 heterostructurescitations
- 2020Artificial quantum confinement in LaAl O3/SrTi O3 heterostructurescitations
- 2019Strain-engineering Mott-insulating $La_2CuO_4$
- 2019Strain-engineering Mott-insulating La2CuO4citations
- 2019Strain-engineering Mott-insulating La 2 CuO 4citations
- 2017Weakly-correlated nature of ferromagnetism in nonsymmorphic CrO(_2) revealed by bulk-sensitive soft-X-ray ARPEScitations
- 2016Ground-state oxygen holes and the metal-insulator transition in the negative charge-transfer rare-earth nickelates
- 2015Fermi states and anisotropy of Brillouin zone scattering in the decagonal Al–Ni–Co quasicrystalcitations
- 2012Cathodic arc deposited (Cr,Six)N coatings: From solid solution to nanocomposite structurecitations
- 2011Nanostructured hard coatings deposited by cathodic arc deposition: From concepts to applicationscitations
- 2007Carbon-nanofiber reinforced Cu composites prepared by powder metallurgy for thermal management of electronic devices
- 2004Carbon nanofibers for composite applicationscitations
- 2000Microscopy of thin polymer blend films of polystyrene and poly-n-butyl-methacrylate
- 2000Bandlike and excitonic states of oxygen in CuGeO3
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article
Bandlike and excitonic states of oxygen in CuGeO3
Abstract
<p>Polarized resonant x-ray fluorescence spectroscopy at O 1s resonances was used to study CuGeO<sub>3</sub>. Two distinct spectral contributions are identified, i.e., an intense "main band" of soft-x-ray fluorescence, reflecting primarily bandlike O 2p states, and resonant inelastic x-ray scattering (RIXS) characterized by spectral features that disperse linearly with excitation energy and resonate at the O 1s pre-edge peak. RIXS reflects excitoniclike ("optical") final states and has previously only been observed for metal-ion core edges. Moreover, analysis of the excitation energy and polarization dependence of the main band allows the identification of features deriving from the site-specific partial density of states as well as strong evidence for the observation of a two-hole state (Zhang-Rice singlet).</p>