CFEL-XOM

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2019-09-05
09:45
OpenAccess [PUBDB-2019-03228] Journal Article
et al
Aerodynamically stabilized Taylor cone jets
We introduce a way to stabilize steady micro/nanoliquid jets issuing from Taylor cones together with coflowing gas streams. We study the dripping-jetting transition of this configuration theoretically through a global stability analysis as a function of the governing parameters involved [...]
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2019-03-04
14:40
OpenAccess [PUBDB-2019-01320] Journal Article
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Nuclear resonant scattering from $^{193}Ir$ as a probe of the electronic and magnetic properties of iridates
The high brilliance of modern synchrotron radiation sources facilitates experiments with high-energy x-rays across a range of disciplines, including the study of the electronic and magnetic correlations using elastic and inelastic scattering techniques. Here we report on Nuclear Resonance Scattering at the 73 keV nuclear level in $^{193}$Ir. [...]
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ddc:600
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2019-03-04
10:14
OpenAccess [PUBDB-2019-01297] Journal Article
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3D printed nozzles on a silicon fluidic chip
Serial femtosecond crystallography is a new method for protein structure determination utilizing intense and destructive X-ray pulses generatedby free-electron lasers. The approach requires the means to deliver hydrated protein crystals to a focused X-ray beam and replenish themat the repetition rate of the pulses [...]
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ddc:620
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2019-02-25
10:28
OpenAccess [PUBDB-2019-01243] Journal Article
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Multilayer Laue lenses at high x-ray energies: Performance and applications
Optics express 27(5), 7120 - 7138 () [10.1364/OE.27.007120]  GO
X-ray microscopy at photon energies above 15 keV is very attractive for the investigation of atomic and nanoscale properties of technologically relevant structural and bio materials. This method is limited by the quality of X-ray optics [...]
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2019-02-24
10:10
[PUBDB-2019-01225] Contribution to a book

Sub-micrometer Focusing and High-Resolution Imaging with Refractive Lenses and Multilayer Laue Optics
Synchrotron Light Sources and Free-Electron Lasers / Jaeschke, Eberhard (Editor) ; Cham : Springer International Publishing, 2019, Chapter 62-1 ; ISBN: 978-3-319-04507-8 ; doi:10.1007/978-3-319-04507-8 Cham : Springer International Publishing 1-28 () [10.1007/978-3-319-04507-8_62-1]  GO
In this chapter we describe the fundamentals of X-ray optics with a particular emphasis on refractive and diffractive optics for high-resolution X-ray microscopy. To understand the physical limitations of X-ray microscopy and X-ray optics, a wave-optical treatment of the interaction of X-rays with the optical elements is needed. [...]
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2018-08-22
14:26
OpenAccess [PUBDB-2018-03102] Journal Article
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Megahertz serial crystallography
The new European X-ray Free-Electron Laser is the first X-ray free-electron laser capable of delivering X-ray pulses with a megahertz inter-pulse spacing, more than four orders of magnitude higher than previously possible. However, to date, it has been unclear whether it would indeed be possible to measure high-quality diffraction data at megahertz pulse repetition rates. [...]
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ddc:500
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2018-05-31
16:00
OpenAccess [PUBDB-2018-02164] Journal Article
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Enzyme intermediates captured “on the fly” by mix-and-inject serial crystallography
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ddc:570
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2018-02-02
16:01
OpenAccess [PUBDB-2018-01024] Journal Article
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Femtosecond X-ray diffraction from an aerosolized beam of protein nanocrystals
High-resolution Bragg diffraction from aerosolized single granulovirus nano-crystals using an X-ray free-electron laser is demonstrated. The outerdimensions of the in-vacuum aerosol injector components are identical toconventional liquid-microjet nozzles used in serial diffraction experiments,which allows the injector to be utilized with standard mountings. [...]
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2017-10-24
11:53
OpenAccess [PUBDB-2017-11523] Journal Article
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Analysis of XFEL serial diffraction data from individual crystalline fibrils
IUCrJ 4(6), 795 - 811 () [10.1107/S2052252517014324]  GO
Serial diffraction data collected at the Linac Coherent Light Source from crystalline amyloid fibrils delivered in a liquid jet show that the fibrils are well oriented in the jet. At low fibril concentrations, diffraction patterns are recorded from single fibrils; these patterns are weak and contain only a few reflections [...]
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2017-10-05
15:34
[PUBDB-2017-11182] Journal Article
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Post-sample aperture for low background diffraction experiments at X-ray free-electron lasers
The success of diffraction experiments from weakly scattering samples strongly depends on achieving an optimal signal-to-noise ratio. This is particularly important in single-particle imaging experiments where diffraction signals are typically very weak and the experiments are often accompanied by significant background scattering. [...]
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