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. 2022 Mar 25;11:73. doi: 10.1038/s41377-022-00758-z

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — a Data acquisition scheme, showing the sample in Bragg condition, illuminated by a focused beam and producing a coherent diffraction pattern, measured by a 2D detector. For the Bragg ptychography data acquisition, the sample is scanned along the x- and y-axis and further angularly scanned along the θ rotation. b For this experiment, the scanning stage was not optimized and a strong discrepancy was observed between the nominal x and y position (square) and the achieved positions (indicated by the red arrows and by the color scale, in μm). c SEM picture of the investigated Si-star sample (top view). The orange rectangles represent the footprint of the intensity central lobe (FWHM) on the sample surface (continuous line) and the full dimension of the retrieved probe, including its tails (dashed line)