X-Ray Diffraction

By Reuben James. 2014

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Correlation between subgrains and coherently scattering domains (2005, background): “…kinematical theory of powder diffraction if the crystallites coherently scattering domains are strain-free and the average crystallite size is larger than a few microns, however, not much larger than about 10 m, the physical line profiles of the diffraction peaks are delta functions Warren, 1990 .”
Study of structural transformation in TiO2 nanoparticles and its optical properties (2013, neutral): “2 [19–21].”
PDFgetX3: a rapid and highly automatable program for processing powder diffraction data into total scattering pair distribution functions (2012, methodology): “The S(Q) is Fourier transformed into the PDF, G(r), according to (Farrow & Billinge, 2009) G(r) = 2 π ∫ Qmax Qmin Q[S(Q)− 1] sinQr dQ = 2 π ∫ Qmax Qmin F (Q) sinQr dQ, (3) where the quantity F (Q) = Q[S(Q) − 1] is the reduced structure function (Warren, 1990).”