193 citations · 1.1k across the 19 of their papers we have counts for
20 papers
Tracking the surface atomic motion in a coherent phonon oscillation
Davide Curcio, Klara Volckaert, Dmytro Kutnyakhov +10
X-ray photoelectron diffraction is a powerful tool for determining the structure of clean and adsorbate-covered surfaces. Extending the technique into the ultrafast time domain wil…
Ultrafast electronic line width broadening in the C 1s core level of graphene
Davide Curcio, Sahar Pakdel, Klara Volckaert +31
Core level binding energies and absorption edges are at the heart of many experimental techniques concerned with element-specific structure, electronic structure, chemical reactivi…
Subpicosecond metamagnetic phase transition driven by non-equilibrium electron dynamics
Federico Pressacco, Davide Sangalli, Vojtěch Uhlíř +13
Femtosecond light-induced phase transitions between different macroscopic orders provide the possibility to tune the functional properties of condensed matter on ultrafast timescal…
Direct observation of charge separation in an organic light harvesting system by femtosecond time-resolved XPS
Friedrich Roth, Mario Borgwardt, Lukas Wenthaus +8
The ultrafast dynamics of photon-to-charge conversion in an organic light harvesting system is studied by femtosecond time-resolved X-ray photoemission spectroscopy (TR-XPS) at the…
Observation of an excitonic Mott transition through ultrafast core--conduction photoemission spectroscopy
Maciej Dendzik, R. Patrick Xian, Enrico Perfetto +19
Time-resolved soft-X-ray photoemission spectroscopy is used to simultaneously measure the ultrafast dynamics of core-level spectral functions and excited states upon excitation of…
An open-source, end-to-end workflow for multidimensional photoemission spectroscopy
Rui Patrick Xian, Yves Acremann, Steinn Ymir Agustsson +15
Characterization of the electronic band structure of solid state materials is routinely performed using photoemission spectroscopy. Recent advancements in short-wavelength light so…
Ultrafast molecular orbital tomography of a pentacene thin film using time-resolved momentum microscopy at a free-electron laser
K. Baumgärtner, M. Reuner, C. Metzger +19
We use time-resolved momentum microscopy at a free-electron laser (FEL) and extend orbital tomography into the time domain to image the electronic wave functions of excited molecul…
Time- and momentum-resolved photoemission studies using time-of-flight momentum microscopy at a free-electron laser
Dmytro Kutnyakhov, Rui Patrick Xian, Maciej Dendzik +38
Time-resolved photoemission with ultrafast pump and probe pulses is an emerging technique with wide application potential. Real-time recording of non-equilibrium electronic process…
Ghost Imaging at an XUV Free-Electron Laser
Young Yong Kim, Luca Gelisio, Giuseppe Mercurio +18
Radiation damage is one of the most severe resolution limiting factors in x-ray imaging, especially relevant to biological samples. One way of circumventing this problem is to expl…
Seeded x-ray free-electron laser generating radiation with laser statistical properties
O. Yu. Gorobtsov, G. Mercurio, F. Capotondi +12
The invention of optical lasers led to a revolution in the field of optics and even to the creation of completely new fields of research such as quantum optics. The reason was thei…
Heuristic data analysis for photon detection in single shot RIXS at a Free Electron Laser
Simone Laterza, Antonio Caretta, Barbara Casarin +5
A heuristic method based on an image recognition approach has been developed for fast and efficient processing of single shot FEL RIXS spectra.
Towards Time-Resolved Atomic Structure Determination by X-Ray Standing Waves at a Free-Electron Laser
Giuseppe Mercurio, Igor A. Makhotkin, Igor Milov +6
We demonstrate the structural sensitivity and accuracy of the standing wave technique at a high repetition rate free-electron laser, FLASH at DESY in Hamburg, by measuring the phot…
High resolution resonant inelastic EUV scattering from orbital excitations in a Heisenberg antiferromagnet
Antonio Caretta, Martina Dell'Angela, Yi-De Chuang +11
We report the high resolution resonant inelastic EUV scattering study of quantum Heisenberg antiferromagnet KCoF3. By tuning the EUV photon energy to cobalt M23 edge, a complete se…
Quantum Imaging with Incoherently Scattered Light from a Free-Electron Laser
Raimund Schneider, Thomas Mehringer, Giuseppe Mercurio +20
The advent of accelerator-driven free-electron lasers (FEL) has opened new avenues for high-resolution structure determination via diffraction methods that go far beyond convention…
Ultrafast charge redistribution in small iodine containing molecules
Maximilian Hollstein, Karolin Mertens, Nils Gerken +8
The competition between intra molecular charge redistribution and fragmentation has been studied in small molecules containing iodine by using intense ultrashort pulses in the extr…
Time-resolved observation of band-gap shrinking and electron-lattice thermalization within X-ray excited gallium arsenide
Beata Ziaja, Nikita Medvedev, Victor Tkachenko +2
Femtosecond X-ray irradiation of solids excites energetic photoelectrons that thermalize on a timescale of a few hundred femtoseconds. The thermalized electrons exchange energy wit…
Trends in the magnetic properties of Fe, Co and Ni clusters and monolayers on Ir(111), Pt(111) and Au(111)
S. Bornemann, O. Šipr, S. Mankovsky +5
We present a detailed theoretical investigation on the magnetic properties of small single-layered Fe, Co and Ni clusters deposited on Ir(111), Pt(111) and Au(111). For this a full…
Coherence Properties of Individual Femtosecond Pulses of an X-ray Free-Electron Laser
I. A. Vartanyants, A. Singer, A. P. Mancuso +33
Measurements of the spatial and temporal coherence of single, femtosecond x-ray pulses generated by the first hard x-ray free-electron laser (FEL), the Linac Coherent Light Source…
Ultrafast melting of a charge-density wave in the Mott insulator 1T-TaS2
S. Hellmann, M. Beye, C. Sohrt +11
Femtosecond time-resolved core-level photoemission spectroscopy with a free-electron laser is used to measure the atomic-site specific charge-order dynamics in the charge-density-w…
Surface Core Level Shifts of Clean and Oxygen Covered Ru(0001)
S. Lizzit, A. Baraldi, A. Groso +8
We have performed high resolution XPS experiments of the Ru(0001) surface, both clean and covered with well-defined amounts of oxygen up to 1 ML coverage. For the clean surface we…