4 papers
X-ray driven displacive excitation of coherent phonons
Oleg Dogadov, Remi Claude, Christoph Emeis +29
Modulating electron-phonon coupling offers a route to control structural displacements and tune material functionality. Valence-to-conduction band transitions, however, provide lim…
Photostationary Lifshitz transition in High Tc superconductor Bi2Sr2CaCu2O8+δ
Ji Dai, Lukas Hellbrück, Michele Puppin +12
To date, controlling the steady-state electronic band structure in high-Tc cuprate superconductors has been achieved primarily through chemical doping or magnetic fields. Here, we…
Shot-to-shot acquisition ultrafast electron diffraction
Remi Claude, Michele Puppin, Bruce Weaver +3
We demonstrate a novel shot-to-shot acquisition method for optical pump - keV electron energy probe in ultrafast scattering experiments. We integrate a phase-locked acquisition sch…
Ultrafast momentum-resolved visualization of the interplay between phonon-mediated scattering and plasmons in graphite
Francesco Barantani, Rémi Claude, Fadil Iyikanat +7
Scattering between individual charges and collective modes in materials governs fundamental phenomena such as electrical resistance, energy dissipation, switching between different…