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. 2017 Sep 19;7:11828. doi: 10.1038/s41598-017-12032-z

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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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Comparison of the restored adhesion (a,c,e; left column) and adhesion images (b,d,f; right column) obtained with ringing and PeakForce Tapping modes, respectively, recorded at different scanning speeds. Maps of polystyrene-polycaprolactone composite polymeric material are shown. Lamellar structure of polycaprolactone is clearly seen in ringing mode even at 5 Hz scan speed, which is 20 times faster than a comparable quality image recorded in PeakForce Tapping. Note that a clear pixelization seen in panels (d) and (f) comes not from insufficient digital resolution (which is the same for all images) but from insufficiently fast data processing in PeakForce tapping; the same value is assigned to several pixels.