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Creators/Authors contains: "Shpyrko, O"

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  1. ; ; ; ; ; ; ; ; ; (, Physical Review B)
    We present an approach for simulating x-ray nanobeam Bragg coherent diffraction patterns based on the Takagi-Taupin equations. Compared to conventional methods, the current approach can be universally applied to any weakly strained system including semi-infinite crystals that diffract dynamically. It addresses issues such as the curved wave front and redivergence of the focused incident beam. We show excellent agreement with experimental data for a strained La0.7Sr0.3MnO3 thin film on a SrTiO3 substrate and a path to extracting physical information using automatic differentiation. 
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  2. ; ; ; ; ; ; ; ; ; ; et al (, Physical Review B)
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