Deterministic Bragg Coherent Diffraction Imaging

doi:10.1038/s41598-017-01164-x

2017-04-25

Konstantin M. Pavlov *

DOI：10.1038/s41598-017-01164-x

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摘要

En 中文

A deterministic variant of Bragg Coherent Diffraction Imaging is introduced in its kinematical approximation, for X-ray scattering from an imperfect crystal whose imperfections span no more than half of the volume of the crystal. This approach provides a unique analytical reconstruction of the object's structure factor and displacement fields from the 3D diffracted intensity distribution centred around any particular reciprocal lattice vector. The simple closed-form reconstruction algorithm, which requires only one multiplication and one Fourier transformation, is not restricted by assumptions of smallness of the displacement field. The algorithm performs well in simulations incorporating a variety of conditions, including both realistic levels of noise and departures from ideality in the reference (i.e. imperfection-free) part of the crystal.

Keyword:

X-RAY-DIFFRACTION

RECONSTRUCTION

STRAIN

HOLOGRAPHY

RETRIEVAL

INVERSION

CRYSTALS

FIELD

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Scientific Reports

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3.9

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28.0W

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83.5W

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Monash University

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5.4W

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russian academy of sciences

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9.1W

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University of New England

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3.1K

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被引数: 3.7K

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