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Updated: May 29, 2026

Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene
Published on: August 22, 2017
Electron-hole correlation effects in core-level spectroscopy probed by the resonant inelastic soft x-ray scattering
L Weinhardt1, O Fuchs, D Batchelor
1Universität Würzburg, Experimentelle Physik VII, Am Hubland, 97074 Würzburg, Germany. lothar.weinhardt@physik.uni-wuerzburg.de
Abstract:
We have employed a unique spectroscopic approach, a resonant inelastic soft x-ray scattering (RIXS) map, to identify and separate electron-hole correlation effects in core-level spectroscopy. With this approach, we are able to derive a comprehensive picture of the electronic structure, separating ground state properties (such as the HOMO-LUMO separation) from excited state properties (such as the C 1s core-exciton binding energy of C(60)). In particular, our approach allows us to determine the difference between core- and valence exciton binding energies in C(60) [0.5 (±0.2) eV]. Furthermore, the RIXS map gives detailed insight into the symmetries of the intermediate and final states of the RIXS process.
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