Results 81 to 90 of about 525,815 (289)

Small-Angle X-ray and neutron scattering from diamond single crystals

open access: yes, 2011
Results of Small-Angle Scattering study of diamonds with various types of point and extended defects and different degrees of annealing are presented. It is shown that thermal annealing and/or mechanical deformation cause formation of nanosized planar ...
A A Shiryaev   +9 more
core   +1 more source

Small-angle x-ray-scattering study of phase separation and crystallization in the bulk amorphous Mg62Cu25Y10Li3 alloy [PDF]

open access: yes, 1999
We report on a small-angle x-ray-scattering (SAXS) and differential scanning calorimetry study of phase separation and crystallization in rapidly quenched amorphous Mg62Cu25Y10Li3 alloy samples.
Geyer, U.   +4 more
core   +1 more source

Imaging ultrafast electronic motion by x-ray scattering [PDF]

open access: yesJournal of Physics: Conference Series 488, 012009 (2014), 2014
Time-resolved ultrafast x-ray scattering is an emerging approach to probe the temporally evolving electronic charge distribution in real-space and in real-time. In this contribution, time-resolved ultrafast x-ray scattering from an electronic wave packet is presented.
arxiv   +1 more source

SMALL ANGLE X-RAY SCATTERING STUDY OF INSULIN FIBRILS

open access: yesEast European Journal of Physics, 2015
The small-angle X-ray scattering technique was employed to determine low-resolution 3D structure of insulin amyloid fibrils. This object is of particular interest since amyloid deposits of insulin causes insulin injection amyloidosis.
M. V. Romanova   +6 more
doaj  

Free radical decay and micro-structure evolution of PVDF membranes in situ irradiated by synchrotron radiation X-ray

open access: yesPolymer Testing, 2022
The synchrotron radiation X-ray was used both as the irradiation source and testing tool for the PVDF membranes in-situ. The structural evolution of the PVDF membranes irradiated by the synchrotron radiation X-ray was analyzed by in-situ small angle X ...
Yang Liu   +7 more
doaj  

Carbon clusters formed from shocked benzene

open access: yesNature Communications, 2021
Shock-wave driven reactions of organic molecules may have played a key role in prebiotic chemistry, but their mechanisms are difficult to investigate.
D. M. Dattelbaum   +11 more
doaj   +1 more source

Large scatter in X-ray emission among elliptical galaxies: correlations with mass of host halo [PDF]

open access: yesAstrophys.J.652:L17-L20,2006, 2006
The enormous range of X-ray luminosities among elliptical galaxies with similar optical luminosities can be attributed to large scatter and systematic variations in the dark halo mass determined from X-ray observations. The mean halo mass decreases sharply with both the X-ray and K-band luminosities.
arxiv   +1 more source

Size and Concentration Determination of Colloidal Nanocrystals by Small-Angle X-ray Scattering

open access: yesChemistry of Materials, 2018
The accurate determination of the dimensions of a nano-object is paramount to the development of nanoscience and technology. Here we provide procedures for sizing quasi-spherical colloidal nanocrystals (NCs) by means of small-angle X-ray scattering (SAXS)
Jorick Maes   +5 more
semanticscholar   +1 more source

A model for co-clusters and their strengthening in Al-Cu-Mg based alloys: a comparison with experimental data

open access: yes, 2012
A model for the thermodynamics of and strengthening due to Cu–Mg co-clusters in Al–Cu–Mg based alloys is analysed and tested. The formulation uses a single interaction enthalpy between dissimilar alloying elements (e.g.
Starink, M. J.
core   +1 more source

A scatter correction method for Multi-MeV Flash Radiography [PDF]

open access: yesarXiv, 2021
Multi-MeV flash radiography is often used as the primary diagnostic technique for high energy and density (HED) physics experiments. Primary X-ray which is attenuated by the object offers density information of the object. For a thick metal object with area density as high as 150 g/cm2, the rest part of primary X-ray which passes through the object may
arxiv  

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