Results 161 to 170 of about 2,561 (254)

Ultrafast time‐resolved small‐angle X‐ray scattering setup on the FemtoMAX beamline

open access: yesJournal of Synchrotron Radiation, EarlyView.
The feasibility of performing time‐resolved small‐angle X‐ray scattering measurements with picosecond temporal resolution on the FemtoMAX beamline at the MAX IV Laboratory in Sweden is demonstrated.The design and main characteristics of the ultrafast time‐resolved small‐angle X‐ray scattering (TR‐SAXS) setup on the FemtoMAX beamline at MAX IV are ...
J. C. Ekström   +8 more
wiley   +1 more source

Time‐resolved synchrotron X‐ray total scattering of alkali‐activated materials with high and low calcium contents

open access: yesJournal of Synchrotron Radiation, EarlyView.
Synchrotron in situ high‐energy X‐ray total scattering/pair distribution function (PDF) analysis quantifies the time‐resolved structural evolution of high and low calcium alkali‐activated binders, with PDF peak evolution tracking reaction progress and correlating with calorimetry (R2 > 0.97).
Hyeonseok Jee, Nishant Garg
wiley   +1 more source

One‐more‐vertex Next‐Event Estimation with Hierarchical Geometry Sampling

open access: yesComputer Graphics Forum, EarlyView.
Abstract Robust next‐event estimation (NEE) remains a challenge in scenes characterized by sparse or small‐scale geometry where indirect illumination is the primary transport mechanism. In these scenes, traditional path construction, which relies on local directional sampling, often fails to find intersections with the sparse geometry, and standard NEE
Jorge Garcia‐Pueyo   +3 more
wiley   +1 more source

Radiation exposure facilities for radiobiology in Europe: availability, capabilities, and limitations. [PDF]

open access: yesRadiat Environ Biophys
Unterleiter T   +10 more
europepmc   +1 more source

Appraisal of Six Natural Mica Reference Materials for In Situ Rb‐Sr Geochronology

open access: yesGeostandards and Geoanalytical Research, EarlyView.
Key Points Evaluated six natural mica reference materials for in situ LA‐ICP‐MS/MS Rb‐Sr geochronology using geochemical, microstructural and isotopic characterisation. Identified robust primary reference materials: Mount Dromedary biotite (99.37 Ma) and Mica‐Fe biotite (307.75 Ma). La Posta biotite and Högsbo muscovite are suitable secondary reference
Hugo K.H. Olierook   +38 more
wiley   +1 more source

Characterization of coesite‐bearing impact melt glass from the Hapcheon crater, Korea: Trimodal phase architecture, shock metamorphism, and implications for 40Ar/39Ar geochronology

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract We present the first micrometer‐scale, phase‐resolved compositional characterization of impact melt glass from the Hapcheon crater (~1.4 km apparent diameter), the first confirmed impact structure on the Korean Peninsula, integrating EPMA‐WDS (5 μm spot), confocal Raman spectroscopy (<1 μm spot), XRD, and 40Ar/39Ar step‐heating geochronology ...
Jin‐Young Lee   +2 more
wiley   +1 more source

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