198 citations · 635 across the 11 of their papers we have counts for
11 papers
Optically induced anisotropy in time-resolved scattering: Imaging molecular scale structure and dynamics in disordered media with experiment and theory
Andrés Montoya-Castillo, Michael S. Chen, Sumana L. Raj +6
Time-resolved scattering experiments enable imaging of materials at the molecular scale with femtosecond time resolution. However, in disordered media they provide access to just o…
Tuning Excited State Electron Transfer in Fe Tetracyano-Polypyridyl Complexes
Kristjan Kunnus, Lin Li, Charles J. Titus +15
We have investigated photoinduced intramolecular electron transfer dynamics following metal-to-ligand charge-transfer (MLCT) excitation of [Fe(CN)(2,2'-bipyridine)] (1),…
Origin of vibrational wavepacket dynamics in Fe carbene photosensitizer determined with femtosecond X-ray emission and scattering
Kristjan Kunnus, Morgane Vacher, Tobias C. B. Harlang +38
Disentangling the dynamics of electrons and nuclei during nonadiabatic molecular transformations remains a considerable experimental challenge. Here we have investigated photoinduc…
Anisotropy enhanced X-ray scattering from solvated transition metal complexes
Elisa Biasin, Tim B. van Driel, Gianluca Levi +14
Time-resolved X-ray scattering patterns from photoexcited molecules in solution are in many cases anisotropic at the ultrafast time scales accessible at X-ray Free Electron Lasers…
L-Edge Spectroscopy of Dilute, Radiation-Sensitive Systems Using a Transition-Edge-Sensor Array
Charles J. Titus, Michael L. Baker, Sang Jun Lee +24
We present X-ray absorption spectroscopy and resonant inelastic X-ray scattering (RIXS) measurements on the iron L-edge of 0.5 mM aqueous ferricyanide. These measurements demonstra…
Probing ultrafast ππ*/nπ* internal conversion in organic chromophores via K-edge resonant absorption
T. J. A. Wolf, R. H. Myhre, J. P. Cryan +21
Organic chromophores with heteroatoms possess an important excited state relaxation channel from an optically allowed ππ* to a dark nπ*state. We exploit the element and site specif…
Femtosecond X-Ray Scattering Study of Ultrafast Photoinduced Structural Dynamics in Solvated [Co(terpy)2]2+
Elisa Biasin, Tim Brandt van Driel, Kasper S. Kjær +30
We study the structural dynamics of photoexcited [Co(terpy)2]2+ in an aqueous solution with ultrafast x-ray diffuse scattering experiments conducted at the Linac Coherent Light Sou…
Watching coherent molecular structural dynamics during photoreaction: beyond kinetic description
Henrik T. Lemke, Kasper Skov Kjær, Robert Hartsock +11
A deep understanding of molecular photo-transformations is challenging because of the complex interaction between the configurations of electrons and nuclei. An initial optical exc…
Diffractive imaging of a molecular rotational wavepacket with femtosecond Megaelectronvolt electron pulses
Jie Yang, Markus Guehr, Theodore Vecchione +20
Imaging changes in molecular geometries on their natural femtosecond timescale with sub-Angstrom spatial precision is one of the critical challenges in the chemical sciences, since…
Direct measurement of time-dependent density-density correlations in a solid through the acoustic analog of the dynamical Casimir effect
M. Trigo, M. Fuchs, J. Chen +20
The macroscopic characteristics of a solid, such as its thermal, optical or transport properties are determined by the available microscopic states above its lowest energy level. T…
Delayed Ultrafast X-ray Auger Probing (DUXAP) of Nucleobase Ultraviolet Photoprotection
B. K. McFarland, J. P. Farrell, S. Miyabe +28
We present a new method for ultrafast spectroscopy of molecular photoexcited dynamics. The technique uses a pair of femtosecond pulses: a photoexcitation pulse initiating excited s…