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PoDFluX: a new Monte Carlo ray-tracing model for powder diffraction and fluorescence
1Space Research Centre, Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, United Kingdom.
Abstract:
PoDFluX is a new Monte Carlo ray-tracing program that simulates from first principles x-ray powder diffraction from crystalline materials and x-ray fluorescence from materials with a defined elemental composition. This model has been written primarily for the optimization of miniaturized planetary x-ray diffraction instrumentation but wider applications are certainly possible. A particular strength of the model is the implementation of several variance-reduction techniques for the minimization of execution times. Comparisons of model output with experimental diffraction and fluorescence data show good quantitative agreement.
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