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. 2019 Feb 8;9:1685. doi: 10.1038/s41598-018-38411-8

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© The Author(s) 2019

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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(a,b) Are vertical PFM micrographs depicting phase and amplitude. Micrographs (c,d) display lateral PFM phase and amplitude for the same region, as demonstrated by the associated topography maps, shown in (e,f). (g,h) Display MFM phase and topography maps. Vertical green streaks, visible in MFM phase but not topography, suggest the existence of magnetic phases that are unlikely to arise due to topographic crosstalk.