FS-EC

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2017-08-18
22:39
OpenAccess [PUBDB-2017-09548] Journal Article
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Transmission zone plates as analyzers for efficient parallel 2D RIXS-mapping
ddc:000
We have implemented and successfully tested an off-axis transmission Fresnel zone plate as spectral analyzer for resonant inelastic X-ray scattering (RIXS). The imaging capabilities of zone plates allow for advanced two-dimensional (2D) mapping applications [...]
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2016-11-17
09:42
OpenAccess [PUBDB-2016-05318] Journal Article/Contribution to a conference proceedings
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Data reduction for XAS experiments with the 100 element Ge Detector
16. International Conference on X-ray Absorption Fine Structure, XAFS16, Meeting locationKarlsruhe, Germany, 23 Aug 2015 - 28 Aug 20152015-08-232015-08-28 Journal of physics / Conference Series 712, 012016 (2016) [10.1088/1742-6596/712/1/012016]  GO
ddc:530
X-ray absorption spectroscopy on dilute samples is still a challenge nowadays. By means of the fluorescence processes that follow the absorption it is possible to obtain the XAS spectrum; however, in order to gain sufficient statistics a multi-pixel fluorescence detector is required. [...]
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2016-11-10
09:56
[PUBDB-2016-04831] Journal Article
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A non-destructive view with X-rays into the strain state of bronze axes
ddc:540
In this paper we present a new approach using highly surface sensitive X-ray diffraction methods for archaeometrical investigation highlighted on the Neolithic Axe of Ahneby. Applying the sin$^2$Ψ-method with a scintillation detector and a MAXIM camera setup, both were usually applied for material strain analysis on modern metal fabrics. [...]

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2016-11-03
18:00
OpenAccess [PUBDB-2016-04604] Journal Article
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Fast X-ray microfluorescence imaging with submicrometer-resolution integrating a Maia detector at beamline P06 at PETRA III
ddc:540
The high brilliance of third-generation synchrotron sources increases thedemand for faster detectors to utilize the available flux. The Maia detector is anadvanced imaging scheme for energy-dispersive detection realising dwell timesper image-pixel as low as 50 ms and count rates higher than 10 106 s1. [...]
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2016-08-03
16:15
OpenAccess [PUBDB-2016-02784] Journal Article/Contribution to a conference proceedings
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Fast helicity switching of X-ray circular polarization at beamline P09 at PETRA III
Proceedings of the 12th International Conference on Synchrotron Radiation Instrumentation, SRI2015, Meeting locationNew York, NY USA, 5 Jul 2015 - 10 Jul 20152015-07-052015-07-10 AIP conference proceedings 1741, 030017 (2016) [10.1063/1.4952840]  GO
ddc:530
At the resonant scattering and diffraction beamline P09 at PETRA III/DESY, polarization manipulation in the X-rayenergy range 3-13 keV is possible using wave-plates. Recently, fast flipping of circular polarization helicity using the Raspberry Pi controlled FPGA (PiLC) device developed at DESY and dedicated piezo-electric flippers has been commissioned. [...]
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2015-12-31
16:14
[PUBDB-2015-06317] Conference Presentation
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A non destructive view into Neolithic bronze axes
TECHNART 2015, Meeting locationCatania, Italy, 27 Apr 2015 - 30 Apr 20152015-04-272015-04-30
Results from an ongoing research project of the archaeological state museum chateau Gottorf in Schleswig and the Deutsches Elektronen-Synchrotron in Hamburg are presented. The manufacturing techniques of Neolithic bronze axes were investigated using non destructive measurements. [...]
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2015-06-24
09:26
Hybrid OpenAccess [PUBDB-2015-02327] Journal Article
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The Extreme Conditions Beamline P02.2 and the Extreme Conditions Science Infrastructure at PETRA III
ddc:540
A detailed description is presented of the Extreme Conditions Beamline P02.2for micro X-ray diffraction studies of matter at simultaneous high pressure andhigh/low temperatures at PETRA III, in Hamburg, Germany. This includesperformance of the X-ray optics and instrumental resolution as well as anoverview of the different sample environments available for high-pressurestudies in the diamond anvil cell. [...]
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2015-04-08
14:30
OpenAccess [PUBDB-2015-01817] Journal Article
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In situ x-ray diffraction of fast compressed iron: Analysis of strains and stress under non-hydrostatic pressure
ddc:530
Series of high-pressure x-ray diffraction patterns of iron and its high-pressure polymorphs were collected with0.1–0.2-s exposure time utilizing a membrane diamond anvil cell (DAC) for compression at various loading andunloading rates to a maximum pressure of 70 GPa. Strain rates of 10−2s−1at a maximum pressurization rateof 4.1 GPa/s were achieved in non-hydrostatic compression of hcp Fe. [...]

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2015-02-03
13:53
OpenAccess [PUBDB-2015-01204] Contribution to a conference proceedings/Journal Article
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High-Speed Readout of High-Z Pixel Detectors with the LAMBDA Detector
10th International Conference on Position Sensitive Detectors, PSD10, Meeting locationUniversity of Surrey, UK, 7 Sep 2014 - 12 Sep 20142014-09-072014-09-12 Journal of Instrumentation 9(12), C12014 (2014) [10.1088/1748-0221/9/12/C12014]  GO
ddc:610
High-frame-rate X-ray pixel detectors make it possible to perform time-resolved experiments at synchrotron beamlines, and to make better use of these sources by shortening experiment times. LAMBDA is a photon-counting hybrid pixel detector based on the Medipix3 chip, designed to combine a small pixel size of 55 μm, a large tileable module design, high speed, and compatibility with ``high-Z sensors for hard X-ray detection. [...]
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2015-02-02
14:59
OpenAccess [PUBDB-2015-01116] Journal Article
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A Customizable Software for Fast Reduction and Analysis of Large X-Ray Scattering Data Sets: Applications of the New DPDAK Package to Small-Angle X-Ray Scattering and Grazing-Incidence Small-Angle X-Ray scattering
ddc:540
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