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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Characterization of Materials through High Resolution Coherent Imaging
Presentation Title High-speed Free-run Ptychography at the Australian Synchrotron
Author(s) Cameron M. Kewish
On-Site Speaker (Planned) Cameron M. Kewish
Abstract Scope The X-ray fluorescence microscopy (XFM) beamline at the Australian Synchrotron has recently implemented ptychography as a user experiment [1]. The fast-scanning coherent X-ray diffraction microscopy method benefits from the optimized high-speed “megapixels per hour” scanning architecture developed for XFM, and the dead-time free noiseless photon-counting operation of a hybrid pixel detector. Free-run data collection is demonstrated to improve the quality and reliability of ptychography image reconstruction. This makes ptychography compatible as a simultaneous experiment to XFM mapping. Extremely high scan area coverage up to 140 µm2 s-1 has been achieved at up to 250 µm s-1 scan velocity, over regions up to 352 000 mm2, with a reconstructed image resolution gain of 13× compared to the beam size. The combination of these methods provides unique morphological context for elemental and chemical information, enabling novel scientific outcomes. [1] M. W. M. Jones, et al. J. Synchrotron Rad. 29, 480-487 (2022).
Proceedings Inclusion? Planned:
Keywords Other,

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D Nanoscale Crystalline Microscopy: The Interest of 3D Bragg Ptychography for Material Science
Advances in Phase Retrieval for In Situ Observation of Dislocation Dynamics in Gold Microcrystals
Catalytic Properties at the Nanoscale Probed by Coherent Diffraction Imaging
Characterisation of Material Defects via Plasmon-enhanced Phase Imaging
Coherent Surface Scattering Imaging with Nanometer Resolution for 3D Mesoscale Structures at Surfaces and Interfaces
Exploring the Formation of Superlattice in Metal Nanocrystals using Bragg Coherent X-ray Diffraction Imaging
Fluctuation Analysis of Coherent Electron Diffuse Scattering for Diffractive Imaging
High-speed Free-run Ptychography at the Australian Synchrotron
Imaging Intact Human Organs across the Scales using Hierarchical Phase-contrast Tomography
Imaging Laser Shockwave Dynamics in Defect-bearing Ablator Materials
In Situ and Operando 3D Imaging of Pt and Pd Electrocatalytic Nanocrystals
In Situ Bragg Coherent X-ray Diffraction Imaging Studies
Internal Strain Changes of Pt Nanoparticles in Response to the High Pressure in Diamond-anvil Cell
Method Developments for High-efficient X-ray Coherent Diffraction Imaging
MHz Microscopy at European XFEL
Nanoscale Imaging of Electrochemically-induced Strain Dynamics in a Locally Polarized Pt Grain
Near Atomic Resolution BCDI through Materials Modeling
Precise Registration Algorithm for High-resolution Imaging Applications
Rationalization of CO2 Adsorption on Ni nanocrystals using Bragg Coherent X-ray Imaging
Resolving the Morphology of a Polyphase Solidification Pattern via In-situ Nanotomography
Searching for Crystals, Twins, Peaks and Dislocations with BCDI
Solving Complex Structures with Electron Ptychography
Structural Evolution of Nanoparticles Under Realistic Conditions Observed with Bragg Coherent X-ray Imaging
The Application of Advanced Coherent Imaging Technique and Element Analysis on a Self-organized Loop Structure
Ultrafast Dark-field X-ray Microscopy – A New Tool for Multiscale Analysis
Using Automatic Differentiation to Solve the Phase Problem in X-ray Bragg Ptychography
"Similarity Mapping" Using Precession Electron Diffraction Data

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