Results 71 to 80 of about 133,829 (307)

Quantized form factor shift in the presence of free electron laser radiation [PDF]

open access: yes, 2014
In electron scattering, the target form factors contribute significantly to the diffraction pattern and carry information on the target electromagnetic charge distribution.
Amaro, P.   +5 more
core   +2 more sources

A Workflow to Accelerate Microstructure‐Sensitive Fatigue Life Predictions

open access: yesAdvanced Engineering Materials, EarlyView.
This study introduces a workflow to accelerate predictions of microstructure‐sensitive fatigue life. Results from frameworks with varying levels of simplification are benchmarked against published reference results. The analysis reveals a trade‐off between accuracy and model complexity, offering researchers a practical guide for selecting the optimal ...
Luca Loiodice   +2 more
wiley   +1 more source

Acoustic Injectors Meet X-Ray Free-Electron Lasers [PDF]

open access: yesStructure, 2016
In this issue of Structure, Roessler et al. (2016) present a new method to acoustically inject samples for serial femtosecond crystallography into the focus of free-electron lasers. This method can drastically reduce the sample consumption of this method. It will therefore play an important role in the mix of sample preparation technologies.
openaire   +3 more sources

Can Ti‐Based MXenes Serve as Solid Lubricants for Brake Applications? A Tribological Study

open access: yesAdvanced Engineering Materials, EarlyView.
This study explores the first implementation of Ti‐based MXenes materials in brake pad friction composite material. The resulting composite material exhibits a 48% reduction in the wear rate; alongside significant improvements are observed for thermal and mechanical properties.
Eslam Mahmoud   +7 more
wiley   +1 more source

A Dispersive Inelastic X-ray Scattering Spectrometer for Use at X-ray Free Electron Lasers

open access: yesApplied Sciences, 2017
We report on the application of a short working distance von Hamos geometry spectrometer to measure the inelastic X-ray scattering (IXS) signals from solids and liquids.
Jakub Szlachetko   +6 more
doaj   +1 more source

Generation of Uniform X-ray Illumination and Its Application to X-ray Diffraction Microscopy

open access: yesPhotonics, 2022
X-ray diffraction microscopy (XDM) is an established lens-less imaging method extensively practiced at synchrotrons and X-ray free-electron lasers (XFELs). XDM is broadly operated in two different modes: scanning and non-scanning.
Katarzyna Kunio   +2 more
doaj   +1 more source

High-accuracy wavefront sensing for x-ray free electron lasers

open access: yesOptica, 2018
Systematic understanding and real-time feedback capability for x-ray free electron laser (FEL) accelerator and optical components are critical for scientific experiments and instrument performance.
Yanwei Liu   +14 more
semanticscholar   +1 more source

Statistical and coherence properties of radiation from x-ray free-electron lasers [PDF]

open access: yes, 2009
We describe the statistical and coherence properties of radiation from x-ray free-electron lasers (XFEL). It is shown that the XFEL radiation before saturation is described with Gaussian statistics.
E. Saldin, E. Schneidmiller, M. Yurkov
semanticscholar   +1 more source

Attosecond Hard X-ray Free Electron Laser [PDF]

open access: yesApplied Sciences, 2013
In this paper, several schemes of soft X-ray and hard X-ray free electron lasers (XFEL) and their progress are reviewed. Self-amplified spontaneous emission (SASE) schemes, the high gain harmonic generation (HGHG) scheme and various enhancement schemes through seeding and beam manipulations are discussed, especially in view of the generation of ...
Sandeep Kumar   +2 more
openaire   +3 more sources

Influence of Sample Preparation and Processing Procedures on the Thermal Diffusivity of MgO‐C Refractories

open access: yesAdvanced Engineering Materials, EarlyView.
The thermal diffusivity of MgO‐C refractories is highly sensitive to sample preparation and processing procedures. In this article, the effects of coking sequence, machining conditions, structural inhomogeneity, and graphite coating application on measurements using laser flash apparatus are systematically investigated.
Luyao Pan   +4 more
wiley   +1 more source

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