Time-resolved observation of band-gap shrinking and electron-lattice thermalization within X-ray excited gallium arsenide

Abstract

Femtosecond X-ray irradiation of solids excites energetic photoelectrons that thermalize on a timescale of a few hundred femtoseconds. The thermalized electrons exchange energy with the lattice and heat it up. Experiments with X-ray free-electron lasers have unveiled so far the details of the electronic thermalization. In this work we show that the data on… (More)
DOI: 10.1038/srep18068

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@inproceedings{Ziaja2015TimeresolvedOO, title={Time-resolved observation of band-gap shrinking and electron-lattice thermalization within X-ray excited gallium arsenide}, author={Beata Ziaja and Nikita Medvedev and Victor Tkachenko and Theophilos Maltezopoulos and Wilfried Wurth}, booktitle={Scientific reports}, year={2015} }