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Artifact mitigation of ptychography integrated with on-the-fly scanning probe microscopy

Huang, X; Yan, H; Ge, M; Ozturk, H; Nazaretski, E; Robinson, IK; Chu, YS; (2017) Artifact mitigation of ptychography integrated with on-the-fly scanning probe microscopy. Applied Physics Letters , 111 (2) , Article 023103. 10.1063/1.4993744. Green open access

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Abstract

We report our experiences with conducting ptychography simultaneously with the X-ray fluorescence measurement using the on-the-fly mode for efficient multi-modality imaging. We demonstrate that the periodic artifact inherent to the raster scan pattern can be mitigated using a sufficiently fine scan step size to provide an overlap ratio of >70%. This allows us to obtain transmitted phase contrast images with enhanced spatial resolution from ptychography while maintaining the fluorescence imaging with continuous-motion scans on pixelated grids. This capability will greatly improve the competence and throughput of scanning probe X-ray microscopy.

Type: Article
Title: Artifact mitigation of ptychography integrated with on-the-fly scanning probe microscopy
Open access status: An open access version is available from UCL Discovery
DOI: 10.1063/1.4993744
Publisher version: http://doi.org/10.1063/1.4993744
Language: English
Additional information: This version is the Accepted Version of the Manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > London Centre for Nanotechnology
URI: http://discovery.ucl.ac.uk/id/eprint/1569777
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