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   Articles with "coherent diffraction" as a keyword



3D Strain Imaging of a Heterostructured GaInP/InP Nanowire Using Bragg Coherent Diffraction X-ray Imaging: Implications for Optoelectronic Devices

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recommendations! Published in 2025 at "ACS Applied Nano Materials"

DOI: 10.1021/acsanm.4c06406

Abstract: Imaging the strain in nanoscale heterostructures is challenging since it requires a combination of high strain sensitivity and spatial resolution. Here, we show that three-dimensional (3D) Bragg coherent diffraction imaging (BCDI) can be used to… read more here.

Keywords: heterostructured gainp; coherent diffraction; nanowire; inp ... See more keywords

3D Bragg Coherent Diffraction Imaging of Extended Nanowires: Defect Formation in Highly Strained InGaAs Quantum Wells.

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recommendations! Published in 2022 at "ACS nano"

DOI: 10.1021/acsnano.2c06071

Abstract: InGaAs quantum wells embedded in GaAs nanowires can serve as compact near-infrared emitters for direct integration onto Si complementary metal oxide semiconductor technology. While the core-shell geometry in principle allows for a greater tuning of… read more here.

Keywords: coherent diffraction; quantum; geometry; ingaas quantum ... See more keywords
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Transverse Coherence Limited Coherent Diffraction Imaging using a Molybdenum Soft X-ray Laser Pumped at Moderate Pump Energies

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recommendations! Published in 2017 at "Scientific Reports"

DOI: 10.1038/s41598-017-05789-w

Abstract: Coherent diffraction imaging (CDI) in the extreme ultraviolet has become an important tool for nanoscale investigations. Laser-driven high harmonic generation (HHG) sources allow for lab scale applications such as cancer cell classification and phase-resolved surface… read more here.

Keywords: coherence; transverse coherence; diffraction imaging; coherence limited ... See more keywords

Performance evaluation of Bragg coherent diffraction imaging

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recommendations! Published in 2017 at "New Journal of Physics"

DOI: 10.1088/1367-2630/aa83a9

Abstract: In this study,we present a numerical framework for modeling three-dimensional (3D) diffraction data in Bragg coherent diffraction imaging (BraggCDI) experiments and evaluating the quality of obtained 3D complex-valued real-space images recovered by reconstruction algorithms under… read more here.

Keywords: diffraction imaging; bragg; bragg coherent; performance ... See more keywords

Extending the Takagi-Taupin equations for x-ray nanobeam Bragg coherent diffraction

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recommendations! Published in 2024 at "Physical Review B"

DOI: 10.1103/physrevb.110.054116

Abstract: We present a new 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… read more here.

Keywords: coherent diffraction; ray nanobeam; takagi taupin; bragg coherent ... See more keywords
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Removal of spurious data in Bragg coherent diffraction imaging: an algorithm for automated data preprocessing

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recommendations! Published in 2021 at "Journal of Applied Crystallography"

DOI: 10.1107/s1600576721000819

Abstract: Bragg coherent diffraction imaging (BCDI) provides a powerful tool for obtaining high-resolution structural information from nanocrystalline materials. Here a BCDI sample consisting of a large number of randomly oriented nanoscale crystals is considered. Ideally, only… read more here.

Keywords: diffraction imaging; bragg coherent; coherent diffraction; diffraction ... See more keywords

Bragg coherent diffraction imaging of single 20 nm Pt particles at the ID01-EBS beamline of ESRF

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recommendations! Published in 2022 at "Journal of Applied Crystallography"

DOI: 10.1107/s1600576722002886

Abstract: This work demonstrates three-dimensional Bragg coherent diffraction imaging of single 20 nm Pt particles at the ID01-EBS beamline of ESRF. read more here.

Keywords: particles id01; coherent diffraction; imaging single; diffraction imaging ... See more keywords

Gwaihir: Jupyter Notebook graphical user interface for Bragg coherent diffraction imaging

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recommendations! Published in 2022 at "Journal of Applied Crystallography"

DOI: 10.1107/s1600576722005854

Abstract: In a world where data are steadily made more available, Gwaihir is a tool that overcomes multiple issues by bridging remote access, cluster computing and a user-friendly interface, consequentially improving the link between synchrotrons and… read more here.

Keywords: coherent diffraction; diffraction imaging; interface; bragg coherent ... See more keywords

Micro-beam Laue alignment of multi-reflection Bragg coherent diffraction imaging measurements.

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recommendations! Published in 2017 at "Journal of synchrotron radiation"

DOI: 10.1107/s1600577517009183

Abstract: Multi-reflection Bragg coherent diffraction imaging has the potential to allow three-dimensional (3D) resolved measurements of the full lattice strain tensor in specific micro-crystals. Until now such measurements were hampered by the need for laborious, time-intensive… read more here.

Keywords: multi reflection; diffraction; coherent diffraction; reflection bragg ... See more keywords
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Using convolutional neural network denoising to reduce ambiguity in X-ray coherent diffraction imaging

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recommendations! Published in 2024 at "Journal of Synchrotron Radiation"

DOI: 10.1107/s1600577524006519

Abstract: Ambiguity, which is an intrinsic characteristic of coherent diffraction imaging during image retrieval, can be reduced using machine learning. read more here.

Keywords: using convolutional; diffraction imaging; coherent diffraction; ambiguity ... See more keywords

Deep neural networks in real-time coherent diffraction imaging

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recommendations! Published in 2021 at "IUCrJ"

DOI: 10.1107/s2052252520016590

Abstract: The potential for convolutional neural networks to provide real-time imaging capabilities for coherent diffraction imaging experiments at XFELs is discussed. read more here.

Keywords: diffraction imaging; real time; neural networks; coherent diffraction ... See more keywords