Publications (17)
Electron Correlation driven Metal-Insulator transition in Strained and Disordered VO2 films
Alessandro D'Elia, Cesare Grazioli, Albano Cossaro +6
The Metal-Insulator transition (MIT) in VO2 is characterized by the complex interplay among lattice, electronic and orbital degrees of freedom. In this contribution we investigated…
Unlocking the Capabilities of Future High-Resolution X-ray Spectroscopy Missions Through Laboratory Astrophysics
Gabriele Betancourt-Martinez, Hiroki Akamatsu, Didier Barret +46
Thanks to high-resolution and non-dispersive spectrometers onboard future X-ray missions such as XRISM and Athena, we are finally poised to answer important questions about the for…
Unraveling the relaxation dynamics of Uracil: insights from time-resolved X-ray photoelectron spectroscopy
Davide FaccialÃ, Matteo Bonanomi, Bruno Nunes Cabral Tenorio +26
We report a study of the electronic and nuclear relaxation dynamics of the photoexcited RNA base uracil in the gas phase, using time-resolved core level photoelectron spectroscopy…
Parts-per-million-accurate determination of the K photoionization resonance of Be-like oxygen with resolution of its O-O isotopic shift
Jonas Danisch, Marc Botz, Chintan Shah +15
We determine with high accuracy the energy of the inner-shell transition a…
Time-resolved formation of excited atomic and molecular states in XUV-induced nanoplasmas in ammonia clusters
Rupert Michiels, Aaron Cristopher LaForge, Matthias Bohlen +15
High intensity XUV radiation from a free-electron (FEL) was used to create a nanoplasma inside ammonia clusters with the intent of studying the resulting electron-ion interactions…
Proton polarons in HxWO3 by synchrotron photoemission and DFT modelling
Emanuel Billeter, Andrea Sterzi, Olga Sambalova +6
The measurement of hydrogen induced changes on the electronic structure of transition metal oxides by X-ray photoelectron spectroscopy is a challenging endeavor, since the origin o…
The valence and Rydberg states of difluoromethane: A combined experimental vacuum ultraviolet spectrum absorption and theoretical study by ab initio configuration interaction and density functional computations
Michael H. Palmer, Søren Vrønning Hoffmann, Nykola C. Jones +3
A new synchrotron study for CHF from has been combined with earlier data. The onset of absorption, band I and also band IV, is resolved into broad vibrational peaks, which…
Coincident angle-resolved state-selective photoelectron spectroscopy of acetylene molecules: a candidate system for time-resolved dynamics
Suddhasattwa Mandal, Ram Gopal, Hemkumar Srinivas +9
The acetylene-vinylidene system serves as a benchmark for investigations of ultrafast dynamical processes where the coupling of the electronic and nuclear degrees of freedom provid…
à ngström-resolved Interfacial Structure in Organic-Inorganic Junctions
Craig P. Schwartz, Sumana L. Raj, Sasawat Jamnuch +18
Charge transport processes at interfaces which are governed by complex interfacial electronic structure play a crucial role in catalytic reactions, energy storage, photovoltaics, a…
Three-Dimensional Shapes of Spinning Helium Nanodroplets
Bruno Langbehn, Katharina Sander, Yevheniy Ovcharenko +23
A significant fraction of superfluid helium nanodroplets produced in a free-jet expansion have been observed to gain high angular momentum resulting in large centrifugal deformatio…
Study of the electronic structure of short chain oligothiophenes
Cesare Grazioli, Oscar Baseggio, Mauro Stener +6
The electronic structure of short-chain thiophenes (thiophene, 2,2'-bithiophene and 2,2':5',2'-terthiophene) in the gas phase has been investigated by combining the outcomes of Nea…
Diffraction imaging of light induced dynamics in xenon-doped helium nanodroplets
Bruno Langbehn, Yevheniy Ovcharenko, Andrew Clark +23
We have explored the light induced dynamics in superfluid helium nanodroplets with wide-angle scattering in a pump-probe measurement scheme. The droplets are doped with xenon atoms…
Controlled molecule injector for cold, dense, and pure molecular beams at the European x-ray free-electron laser
Lanhai He, Melby Johny, Thomas Kierspel +27
A permanently available molecular-beam injection setup for controlled molecules (COMO) was installed and commissioned at the small quantum systems (SQS) instrument at the European…
Hanle effect for lifetime determinations in the soft X-ray regime
Moto Togawa, Jan Richter, Chintan Shah +16
By exciting a series of transitions in helium-like nitrogen ions with linearly polarized mono…
Shake-down spectroscopy as state- and site-specific probe of ultrafast chemical dynamics
Henry J. Thompson, Matteo Bonanomi, Jacob Pedersen +27
Tracking the multifarious ultrafast electronic and structural changes occurring in a molecule during a photochemical transformation is a challenging endeavor that benefits from rec…
Interplay among Work Function, electronic structure and stoichiometry in nanostructured vanadium oxides films
Alessandro D'Elia, Cinzia Cepek, Monica de Simone +6
The work function is the parameter of greatest interest in many technological applications involving charge exchange mechanisms at the interface. The possibility to produce samples…
Design study of a photon beamline for a soft X-ray FEL driven by high gradient acceleration at EuPRAXIA@SPARC_LAB
Fabio Villa, Alessandro Cianchi, Marcello Coreno +5
We are proposing a facility based on high gradient acceleration via x-band RF structures and plasma acceleration. We plan to reach an electron energy of the order of 1 GeV, suitabl…