Search Results - "Rolles, D"
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Femtosecond response of polyatomic molecules to ultra-intense hard X-rays
Published in Nature (London) (01-06-2017)“…Upon exposure to ultra-intense, hard X-ray pulses, polyatomic molecules containing one heavy atom reach a much higher degree of ionization than do individual…”
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Hetero-site-specific X-ray pump-probe spectroscopy for femtosecond intramolecular dynamics
Published in Nature communications (23-05-2016)“…New capabilities at X-ray free-electron laser facilities allow the generation of two-colour femtosecond X-ray pulses, opening the possibility of performing…”
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Double diffraction imaging of x-ray induced structural dynamics in single free nanoparticles
Published in New journal of physics (01-07-2024)“…Abstract Because of their high photon flux, x-ray free-electron lasers (FEL) allow to resolve the structure of individual nanoparticles via coherent…”
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Native Frames: Disentangling Sequential from Concerted Three-Body Fragmentation
Published in Physical review letters (09-03-2018)“…A key question concerning the three-body fragmentation of polyatomic molecules is the distinction of sequential and concerted mechanisms, i.e., the stepwise or…”
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Nanoscale spin reversal by non-local angular momentum transfer following ultrafast laser excitation in ferrimagnetic GdFeCo
Published in Nature materials (01-04-2013)“…The dynamics of thin magnetic films revealed by ultrafast laser techniques cannot be explained by standard equilibrium descriptions. Diffraction experiments…”
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Ultraintense x-ray induced ionization, dissociation, and frustrated absorption in molecular nitrogen
Published in Physical review letters (25-06-2010)“…Sequential multiple photoionization of the prototypical molecule N2 is studied with femtosecond time resolution using the Linac Coherent Light Source (LCLS). A…”
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Ultrafast charge rearrangement and nuclear dynamics upon inner-shell multiple ionization of small polyatomic molecules
Published in Physical review letters (30-01-2013)“…Ionization and fragmentation of methylselenol (CH(3)SeH) molecules by intense (>10(17) W/cm(2)) 5 fs x-ray pulses (ħω=2 keV) are studied by coincident ion…”
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Few-femtosecond resolved imaging of laser-driven nanoplasma expansion
Published in New journal of physics (01-04-2022)“…Abstract The free expansion of a planar plasma surface is a fundamental non-equilibrium process relevant for various fields but as-yet experimentally still…”
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Time-resolved measurement of interatomic coulombic decay in Ne2
Published in Physical review letters (30-08-2013)“…The lifetime of interatomic Coulombic decay (ICD) [L. S. Cederbaum et al., Phys. Rev. Lett. 79, 4778 (1997)] in Ne2 is determined via an extreme ultraviolet…”
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Evidence of Extreme Ultraviolet Superfluorescence in Xenon
Published in Physical review letters (12-07-2019)“…We present a comprehensive experimental and theoretical study on superfluorescence in the extreme ultraviolet wavelength regime. Focusing a free-electron laser…”
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Time-resolved relaxation and fragmentation of polycyclic aromatic hydrocarbons investigated in the ultrafast XUV-IR regime
Published in Nature communications (20-10-2021)“…Polycyclic aromatic hydrocarbons (PAHs) play an important role in interstellar chemistry and are subject to high energy photons that can induce excitation,…”
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Ultrafast transitions from solid to liquid and plasma states of graphite induced by x-ray free-electron laser pulses
Published in Physical review letters (23-05-2012)“…We used photon pulses from an x-ray free-electron laser to study ultrafast x-ray-induced transitions of graphite from solid to liquid and plasma states. This…”
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Femtosecond-resolved observation of the fragmentation of buckminsterfullerene following X-ray multiphoton ionization
Published in Nature physics (01-12-2019)“…X-ray free-electron lasers have, over the past decade, opened up the possibility of understanding the ultrafast response of matter to intense X-ray pulses. In…”
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Mapping Resonance Structures in Transient Core-Ionized Atoms
Published in Physical review. X (18-12-2020)“…The nature of transient electronic states created by photoabsorption critically determines the dynamics of the subsequently evolving system. Here, we…”
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Inner-Shell-Ionization-Induced Femtosecond Structural Dynamics of Water Molecules Imaged at an X-Ray Free-Electron Laser
Published in Physical review. X (03-12-2021)“…The ultrafast structural dynamics of water following inner-shell ionization is a crucial issue in high-energy radiation chemistry. We have exposed isolated…”
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Pulse Energy and Pulse Duration Effects in the Ionization and Fragmentation of Iodomethane by Ultraintense Hard X Rays
Published in Physical review letters (27-08-2021)“…The interaction of intense femtosecond x-ray pulses with molecules sensitively depends on the interplay between multiple photoabsorptions, Auger decay, charge…”
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X-ray-optical cross-correlator for gas-phase experiments at the Linac Coherent Light Source free-electron laser
Published in Applied physics letters (19-03-2012)“…X-ray-optical pump-probe experiments at the Linac Coherent Light Source (LCLS) have so far been limited to a time resolution of 280 fs fwhm due to timing…”
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Isotope effects in dynamics of water isotopologues induced by core ionization at an x-ray free-electron laser
Published in Structural dynamics (Melville, N.Y.) (01-09-2023)“…Dynamical response of water exposed to x-rays is of utmost importance in a wealth of science areas. We exposed isolated water isotopologues to short x-ray…”
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Evidence of Extreme Ultraviolet Superfluorescence in Xenon
Published in Physical review letters (10-07-2019)Get full text
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