Search Results - "Gawelda, W."
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Femtosecond XANES Study of the Light-Induced Spin Crossover Dynamics in an Iron(II) Complex
Published in Science (American Association for the Advancement of Science) (23-01-2009)“…X-ray absorption spectroscopy is a powerful probe of molecular structure, but it has previously been too slow to track the earliest dynamics after…”
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Light-induced spin crossover in Fe(II)-based complexes: The full photocycle unraveled by ultrafast optical and X-ray spectroscopies
Published in Coordination chemistry reviews (01-11-2010)“…The light-induced spin and structure changes upon excitation of the singlet metal-to-ligand charge transfer ( 1MLCT) state of Fe(II)-polypyridine complexes are…”
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Experimental capabilities for liquid jet samples at sub-MHz rates at the FXE Instrument at European XFEL
Published in Journal of synchrotron radiation (01-11-2023)“…The Femtosecond X-ray Experiments (FXE) instrument at the European X-ray Free-Electron Laser (EuXFEL) provides an optimized platform for investigations of…”
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Guest-host interactions investigated by time-resolved X‑ray spectroscopies and scattering at MHz rates: solvation dynamics and photoinduced spin transition in aqueous Fe(bipy)3(2+)
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (11-10-2012)“…We have studied the photoinduced low spin (LS) to high spin (HS) conversion of [Fe(bipy)(3)](2+) in aqueous solution. In a laser pump/X-ray probe synchrotron…”
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Transient reflectivity and transmission changes during plasma formation and ablation in fused silica induced by femtosecond laser pulses
Published in Applied physics. A, Materials science & processing (01-09-2008)“…We have studied the plasma formation and ablation dynamics in fused silica upon irradiation with a single 120 fs laser pulse at 800 nm by using fs-resolved…”
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Ad-hoc design of temporally shaped fs laser pulses based on plasma dynamics for deep ablation in fused silica
Published in Applied physics. A, Materials science & processing (01-07-2013)“…We have analyzed the ablation depth yield of fused silica irradiated with shaped pulse trains with a separation of 500 fs and increasing or decreasing…”
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Structural analysis of ultrafast extended x-ray absorption fine structure with subpicometer spatial resolution: application to spin crossover complexes
Published in The Journal of chemical physics (28-03-2009)“…We present a novel analysis of time-resolved extended x-ray absorption fine structure (EXAFS) spectra based on the fitting of the experimental transients…”
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Photexcitation of Aqueous Ruthenium(II)-tris-(2,2‘-bipyridine) with High-Intensity Femtosecond Laser Pulses
Published in The journal of physical chemistry. B (28-12-2006)“…We report a femtosecond pump−probe study on the photochemistry of concentrated aqueous solutions of [RuII(bpy)3]2+, as a function of pump power (up to 2…”
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Ultrafast imaging of transient electronic plasmas produced in conditions of femtosecond waveguide writing in dielectrics
Published in Applied physics letters (22-09-2008)“…Femtosecond laser-induced plasmas in bulk dielectrics are imaged under waveguide writing conditions, for different polarizations, pulse durations, and…”
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Coherent optical phonons in different phases of Ge2Sb2Te5 upon strong laser excitation
Published in Applied physics letters (20-06-2011)“…The transient reflectivity response of phase-change Ge2Sb2Te5 films to intense femtosecond laser pulses is studied by ultrafast coherent phonon spectroscopy…”
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Plasma formation and structural modification below the visible ablation threshold in fused silica upon femtosecond laser irradiation
Published in Applied physics letters (20-08-2007)“…We have investigated the temporal and spatial evolution of the ablation process induced in fused silica upon irradiation with single 120 fs laser pulses at 800…”
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Independent control of beam astigmatism and ellipticity using a SLM for fs-laser waveguide writing
Published in Optics express (09-11-2009)“…We have used a low repetition rate (1 kHz), femtosecond laser amplifier in combination with a spatial light modulator (SLM) to write optical waveguides with…”
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Chemical vapor deposition of chalcogenide materials for phase-change memories
Published in Microelectronic engineering (01-12-2008)“…Films of chalcogenide Ge–Sb–Te materials were grown by pulsed liquid injection chemical vapor deposition (CVD) technique. Simple thermal CVD without additional…”
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Hot-wire chemical vapor growth and characterization of crystalline GeTe films
Published in Journal of crystal growth (2009)“…Films of germanium telluride (GeTe) were grown by chemical vapor deposition (CVD) using pulsed liquid injection/flash evaporation principle to introduce the…”
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Guest–Host Interactions Investigated by Time-Resolved X‑ray Spectroscopies and Scattering at MHz Rates: Solvation Dynamics and Photoinduced Spin Transition in Aqueous Fe(bipy)3 2
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (11-10-2012)“…We have studied the photoinduced low spin (LS) to high spin (HS) conversion of [Fe(bipy)3]2+ in aqueous solution. In a laser pump/X-ray probe synchrotron setup…”
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Picosecond time-resolved x-ray absorption spectroscopy of solvated organometallic complexes
Published in Physica scripta (01-01-2005)Get full text
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Hard X-ray emission spectroscopy in liquids using MHz XFEL source and JUNGFRAU detectors
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-10-2023)“…X-ray free-electron lasers (XFEL) provide unique opportunities for hard X-ray emission spectroscopy (XES) in solution phase by enabling femtosecond temporal…”
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Picosecond TimeResolved XRay Absorption Spectroscopy of Solvated Organometallic Complexes
Published in Physica scripta (2005)Get full text
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