Expanding the momentum field of view in angle-resolved photoemission systems with hemispherical analyzers
Nicolas Gauthier,
Jonathan A. Sobota,
Heike Pfau
et al.
Abstract:In photoelectron spectroscopy, the measured electron momentum range is intrinsically related to the excitation photon energy. Low photon energies < 10 eV are commonly encountered in laser-based photoemission and lead to a momentum range that is smaller than the Brillouin zones of most materials. This can become a limiting factor when studying condensed matter with laser-based photoemission. An additional restriction is introduced by widely used hemispherical analyzers that record only electrons photoemitted in… Show more
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