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Time-resolved ARPES at LACUS: Band structure and ultrafast electron dynamics of solids

Type of publication Peer-reviewed
Publikationsform Original article (peer-reviewed)
Author Crepaldi Alberto, Roth Silvan, Gatti Gianmarco, Arrell Christopher A., Ojeda José, Van Mourik Frank, Bugnon Philippe, Magrez Arnaud, Berger Helmuth, Chergui Majed, Grioni Marco,
Project Mott Physics Beyond the Heisenberg Model in Iridates and Related Materials
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Original article (peer-reviewed)

Journal Chimia
Volume (Issue) 71(5)
Page(s) 273 - 277
Title of proceedings Chimia
DOI 10.2533/chimia.2017.273

Open Access

URL https://infoscience.epfl.ch/record/230880?ln=en
Type of Open Access Repository (Green Open Access)

Abstract

© Swiss Chemical Society The manipulation of the electronic properties of solids by light is an exciting goal, which requires knowledge of the electronic structure with energy, momentum and temporal resolution. Time- and angle-resolved photoemission spectroscopy (tr-ARPES) is the most direct probe of the effects of an optical excitation on the band structure of a material. In particular, tr-ARPES in the extreme ultraviolet (VUV) range gives access to the ultrafast dynamics over the entire Brillouin zone. VUV tr-ARPES experiments can now be performed at the ASTRA (ARPES Spectrometer for Time-Resolved Applications) end station of Harmonium, at LACUS. Its capabilities are illustrated by measurements of the ultrafast electronic response of ZrSiTe, a novel topological semimetal characterized by linearly dispersing states located at the Brillouin zone boundary.
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