FS-SCS

Latest additions:
2017-08-10
16:14
[PUBDB-2017-09144] Book/Dissertation / PhD Thesis
;
Insights into Protein Dynamics by Time-resolved X-ray Scattering
7-150 (2015) = Georg-August-Universität Göttingen, Diss., 2014

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2017-08-03
15:18
[PUBDB-2017-08806] Book/Dissertation / PhD Thesis
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X–ray Spectroscopy of Complex Chemical Systems in Liquid Phase
168 pp. (2017) = Georg-August-Uuniversität Göttingen, Diss., 2016
Modern light sources like synchrotron and free electron laser facilities provide highbrilliant, monochromatic and high coherent X–ray beam with tunable photon energiescovering almost the whole electromagnetic spectrum. These unique properties ofthe light sources enable to implement novel experimental methods for investigatingdynamical chemical processes.The atomic components of chemically relevant systems and solvents essentially consistof light elements. [...]

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2017-08-01
13:24
[PUBDB-2017-08793] Journal Article
; ; ; et al
Cationic and Anionic Impact on the Electronic Structure of Liquid Water
ddc:530
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2017-07-13
16:21
OpenAccess [PUBDB-2017-07579] Preprint/Report
; ; ; et al
Alignment, Orientation, and Coulomb Explosion of Difluoroiodobenzene Studied with the Pixel Imaging Mass Spectrometry (PImMS) Camera
[arXiv:1706.08376] ddc:540
Laser-induced adiabatic alignment and mixed-field orientation of 2,6-difluoroiodobenzene (C$_6$H$_3$F$_2$I) molecules are probed by Coulomb explosion imaging following either near-infrared strong-field ionization or extreme-ultraviolet multi-photon inner-shell ionization using free-electron laser pulses. The resulting photoelectrons and fragment ions are captured by a double-sided velocity map imaging spectrometer and projected onto two position-sensitive detectors. [...]
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2017-06-14
11:03
[PUBDB-2017-04873] Journal Article
; ; ; et al
Isomer-dependent fragmentation dynamics of inner-shell photoionized difluoroiodobenzene
ddc:540
The fragmentation dynamics of 2,6- and 3,5-difluoroiodobenzene after iodine 4d inner-shell photoionization with soft X-rays are studied using coincident electron and ion momentum imaging. By analyzing the momentum correlation between iodine and fluorine cations in three-fold ion coincidence events, we can distinguish the two isomers experimentally [...]

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2017-06-01
14:22
[PUBDB-2017-04151] Journal Article
; ; ; et al
Femtosecond response of polyatomic molecules to ultra-intense hard X-rays
Nature 546(7656), 129 - 132 (2017) [10.1038/nature22373]  GO
ddc:070
X-ray free-electron lasers enable the investigation of the structure and dynamics of diverse systems, including atoms, molecules, nanocrystals and single bioparticles, under extreme conditions1, 2, 3, 4, 5, 6, 7. Many imaging applications that target biological systems and complex materials use hard X-ray pulses with extremely high peak intensities (exceeding 1020 watts per square centimetre)3, 5. [...]
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2017-05-10
10:10
OpenAccess [PUBDB-2017-02555] Report/Journal Article
; ; ; et al
Alignment, orientation, and Coulomb explosion of difluoroiodobenzene studied with the pixel imaging mass spectrometry (PImMS) camera
[arXiv:1706.08376] ddc:540
Laser-induced adiabatic alignment and mixed-field orientation of 2,6-difluoroiodobenzene (C$_6$H$_3$F$_2$I) molecules are probed by Coulomb explosion imaging following either near-infrared strong-field ionization or extreme-ultraviolet multi-photon inner-shell ionization using free-electron laser pulses. The resulting photoelectrons and fragment ions are captured by a double-sided velocity map imaging spectrometer and projected onto two position-sensitive detectors. [...]
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2017-05-03
22:30
OpenAccess [PUBDB-2017-02205] Journal Article
; ; ; et al
Highly efficient soft X-ray spectrometer based on a reflection zone plate for resonant inelastic X-ray scattering measurements
Optics express 25(10), 10984 - 10996 (2017) [10.1364/OE.25.010984]  GO
ddc:530
We present a newly designed compact and flexible soft X-ray spectrometer for resonant inelastic X-ray scattering (RIXS) studies within an energy range from 380 eV to 410 eV, which would include the K alpha emission lines of vital elements like nitrogen. We utilized an off-axis reflection zone plate (RZP) as the wavelength selective element with a maximum line density of 10000 l/mm [...]
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2017-04-12
10:21
OpenAccess [PUBDB-2017-01661] Journal Article
; ; ; et al
Jitter-correction for IR/UV-XUV pump-probe experiments at the FLASH free-electron laser
ddc:530
In pump-probe experiments employing a free-electron laser (FEL) in combination with a synchronized optical femtosecond laser, the arrival-time jitter between the FEL pulse and the optical laser pulse often severely limits the temporal resolution that can be achieved. Here, we present a pump-probe experiment on the UV-induced dissociation of 2,6-difluoroiodobenzene $(C_{6}H_{3}F_{2}I)$ molecules performed at the FLASH FEL that takes advantage of recent upgrades of the FLASH timing and synchronization system to obtain high-quality data that are not limited by the FEL arrival-time jitter. [...]
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2017-03-21
16:21
[PUBDB-2017-01439] Journal Article
; ; ; et al
Hot carrier relaxation in CdTe via phonon–plasmon modes
ddc:530
Carrier and lattice dynamics of laser excited CdTe was studied by time-resolved reflectivity for excitation fluences spanning about three orders of magnitude, from 0.064 to 6.14 mJ cm$^{−2}$. At fluences below 1 mJ cm$^{−2}$ the transient reflectivity is dominated by the dynamics of hybrid phonon–plasmon modes [...]
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