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. 2017 Nov 21;8:1666. doi: 10.1038/s41467-017-01765-0

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© The Author(s) 2017

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. 4 — Selection of 3D atom probe tomography data for comparison. 20 × 20 × 20 nm³ cubic regions selected from each sample to give a closer comparison of the Cu (red) and Al (blue) distributions, with locations shown in Supplementary Fig. 21, and a schematic overview of these results is given in Fig. 1. a Fresh Cu-ZSM-5 (1), b aged Cu-ZSM-5 (3, the bounding box is 20 × 13 × 13 nm³ as this needle was smaller), c fresh Cu-SSZ-13 (4), and d aged Cu-SSZ-13 (7)