FS-PS

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2017-09-04
23:48
[PUBDB-2017-10311] Journal Article
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Direct 3D mapping of the Fermi surface and Fermi velocity
Nature materials 16(6), 615 - 621 (2017) [10.1038/nmat4875]  GO
ddc:610
We performed a full mapping of the bulk electronic structure including the Fermi surface and Fermi-velocity distribution v$_F$(k$_F$) of tungsten. The 4D spectral function ρ(E$_B$; k) in the entire bulk Brillouin zone and 6 eV binding-energy (E$_B$) interval was acquired in ~3 h thanks to a new multidimensional photoemission data-recording technique (combining full-field k-microscopy with time-of-flight parallel energy recording) and the high brilliance of the soft X-rays used [...]
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2017-09-04
13:48
[PUBDB-2017-10296] Journal Article
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X-ray Bragg Ptychography on a Single InGaN/GaN Core–Shell Nanowire
ACS nano 11(7), 6605 - 6611 (2017) [10.1021/acsnano.6b08122]  GO
ddc:540
The future of solid-state lighting can be potentially driven by applications of InGaN/GaN core–shell nanowires. These heterostructures provide the possibility for fine-tuning of functional properties by controlling a strain state between mismatched layers [...]
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2017-08-31
16:31
OpenAccess [PUBDB-2017-10204] Journal Article
; ; ; et al
Coherent soft X-ray diffraction imaging of coliphage PR772 at the Linac coherent light source
ddc:610
Single-particle diffraction from X-ray Free Electron Lasers offers the potential for molecular structure determination without the need for crystallization. In an effort to further develop the technique, we present a dataset of coherent soft X-ray diffraction images of Coliphage PR772 virus, collected at the Atomic Molecular Optics (AMO) beamline with pnCCD detectors in the LAMP instrument at the Linac Coherent Light Source. [...]
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2017-08-30
08:59
[PUBDB-2017-10106] Journal Article
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Photon Sources at DESY
ddc:530
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2017-08-24
09:27
[PUBDB-2017-09731] Journal Article
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Real-Time Observation of Surface Bond Breaking with an X-ray Laser
Science 339(6125), 1302 - 1305 (2013) [10.1126/science.1231711]  GO
ddc:500
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2017-08-22
10:13
[PUBDB-2017-09619] Journal Article
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From micromolecules to macromolecules structural dynamics properties: ultrafast chiroscopy with synchrotron and free-electron laser radiation
ddc:530
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2017-08-01
15:10
OpenAccess [PUBDB-2017-08794] Journal Article
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Incoherent Diffractive Imaging via Intensity Correlations of Hard X Rays
ddc:550
Established x-ray diffraction methods allow for high-resolution structure determination of crystals, crystallized protein structures, or even single molecules. While these techniques rely on coherent scattering, incoherent processes like fluorescence emission—often the predominant scattering mechanism—are generally considered detrimental for imaging applications [...]
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2017-07-19
14:45
OpenAccess [PUBDB-2017-07989] Journal Article
; ; ; et al
Disentangling magnetic order on nanostructured surfaces
ddc:530
We present a synchrotron-based x-ray scattering technique which allows disentangling magnetic propertiesof heterogeneous systems with nanopatterned surfaces. This technique combines the nanometer-range spatialresolution of surface morphology features provided by grazing incidence small angle x-ray scattering and thehigh sensitivity of nuclear resonant scattering to magnetic order. [...]
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2017-07-12
20:33
OpenAccess [PUBDB-2017-07483] Book/Report/Dissertation / PhD Thesis
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A New Fixed-Target Approach for Serial Crystallography at Synchrotron Light Sources and X-ray Free Electron Lasers
[DESY-THESIS-2017-027]
Hamburg : Verlag Deutsches Elektronen-Synchrotron, DESY-THESIS, 185 pp. (2017) [10.3204/PUBDB-2017-07483] = Universität Hamburg, Diss., 2016  GO
In the framework of this thesis, a new method for high-speed fixed-target serial crystallography experiments and its applicability to biomacromolecular crystallography at both synchrotron light sources and X-ray free electron lasers (XFELs) is presented. The method is based on a sample holder, which can carry up to 20,000 microcrystals and which is made of single-crystalline silicon. [...]
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2017-07-07
23:28
OpenAccess [PUBDB-2017-07138] Journal Article

Coherent THz Transient Spin Currents by Spin Pumping
ddc:550
The generation of short spin current pulses is the basis for fast spintronic devices. In thin bilayer systems consisting of a nonmagnetic metal and a ferromagnet, a pure spin current is induced by a precessing magnetization into the nonmagnetic layer by spin pumping [...]
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