X-Ray Diffraction/methods
Advances in martensitic transformations in Cu-based shape memory alloys achieved by in situ neutron and synchrotron X-ray diffraction methods
... the diffraction profile takes approximately a Gaussian shape due to a random distribution of internal stresses assumed to exist in the polycrystal aggregate prior the deformation ...radial diffraction ...
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Advances in martensitic transformations in Cu-based shape memory alloys achieved by in situ neutron and synchrotron X-ray diffraction methods
... neutron diffraction experiment focused on the evaluation of accumulating residual strains during cyclic superelastic deformation (10 cycles at room temperature) of CuAlBe ...the diffraction profiles ...
14
Fabric of leda clay investigated by optical, electron- optical, and x-ray diffraction methods
... In the two Ottawa sewage plant samples more crystal edges are visible (Fig.4A,B, normal) than in the micrographs of the corresponding samples oriented parallel t o the [r] ...
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Carbonation of CA OH2 investigated by thermal and X-ray diffraction methods of analysis
... curves showed that the rate and course of the carbonatation reaction are affected by the temperature at which the CaO was fired, the method of hydration by which the [r] ...
8
X-ray reflectivity, diffraction and grazing incidence small angle X-ray scattering as complementary methods in the microstructural study of sol–gel zirconia thin films
... The discrepancy between the experimental and calculated XXR curves could be explained, on one hand, by the use of a too simple model. Some attempts by using more complex layer models to fit the XRR curves have been ...
9
Characterization of polycrystalline materials by X-ray diffraction contrast tomography
... : X-ray tomography, X-ray diffraction, polycrystal, grain, elastic strain tensor 1 INTRODUCTION Synchrotron based X-ray imaging and diffraction techniques offer ...
8
X-ray Constrained Spin-Coupled Wavefunction: a New Tool to Extract Chemical Information from X-ray Diffraction Data
... posteriori methods are the more recent XC-ELMO [8] and XC-ELMO-VB [9] ...from X-ray diffraction data, but a localization scheme is actually imposed a priori on the electronic structure before ...
7
Synthesis and molecular structure investigation by DFT and X-Ray diffraction of ARNO
... those of Stewart et al. [ 11 ]. The details of crystal data and refinement are given in Table 1 . Computational Method For calculations involving hydrogen-bonding interaction systems it is very important to select an ...
8
Three dimensional variable-wavelength x-ray Bragg coherent diffraction imaging
... strain-sensitive 3D imaging capability of current rocking- curve-based BCDI methods without requiring any sample motion. This capability will greatly simplify certain in situ strain measurements in environments ...
6
Multireflection grazing-incidence X-ray diffraction: A new approach to experimental data analysis
... (1929) methods for calculation of the XECs or XSFs are based on the hypothesis of strain or stress homogeneity in the considered volume, respectively, and this assumption can be applied to quasi-isotropic and ...
14
Energy dispersive X-ray diffraction to identify explosive substances : spectra analysis procedure optimization
... The present survey concerning substance identification with EDXRD highlights that different kinds of analysis procedures could be implemented successfully. In the present study, a database containing measured EXDRD ...
17
X-ray diffraction analysis of nanoparticles: recent developments, potential problems and some solutions
... The alumina could not be analyzed using conventional techniques, so a Debye scattering-based radial distribution function was calculated for this phase. Trials with other nanocrystalline samples indicated that comparable ...
8
Structure of nanocrystalline calcium silicate hydrates: insights from X-ray diffraction, synchrotron X-ray absorption and nuclear magnetic resonance
... different methods of analysis by different research groups, have led to the development of numerous structural models, with two of them being domi- ...in X-ray diffraction patterns of C–S–H ...
14
X-ray diffraction analysis of nanoparticles: recent developments, potential problems and some solutions
... Whitfield and Mitchell 2 The first description of size broadening was given by Scherrer in 1918, 1 although the first rigorous theory of line broadening was formulated in 1944. 2 Williamson-Hall size-strain analysis 3 ...
8
Energy-dispersive X-ray micro Laue diffraction on a bent gold nanowire
... of X-ray optics at third- and fourth-generation synchrotron radiation sources with high-brightness nano-focused X-ray beams (Johansson et ...of X-ray-diffraction-based ...
8
X-ray diffraction structure measurements
... how X-ray structural measurements can be done on molten sili- cates under high pressures, using either large volume presses or diamond-anvil cells, the latter combined with resistive heating or laser ...
22
High pressure and high temperature in situ X-ray diffraction studies in the Paris-Edinburgh cell using a laboratory X-ray source
... Figure 7. In-situ XRD HP-HT study of MgB 2 and C-diamond syntheses. high temperature, due to the overlapping of those potential peaks with the ones of the sample environment (BN, graphite furnace, NaCl). After quenching, ...
10
Super-Resolution for Line Parallel Imaging in Energy Dispersive X-Ray Diffraction
... 2 Direct Model The EDXRD setup is composed of a collimated poly-chromatic X-ray source and a collimated spectroscopic detector D placed at angle θ from the beam axis. The studied object O is placed at the ...
9
Energy Dispersive X-Ray Diffraction System as a Promising Virtual Biopsy in Mammography
... Optimization process starts from the scattering profiles of fibroglandular and cancerous tissues, and the absorption properties of breast tissue. The first one fixes the χ-range to be accessed, which is between 1 and 2.5 ...
3
Simulation study of an X-ray diffraction system for breast tumor detection
... Coherent X-ray scattering or Rayleigh X-ray scattering, leading to X-ray diffraction when analyzing crystalline samples, is commonly used to determine the molecular ...
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