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| Title: | Quasi-stabilized hydration layers on muscovite mica under a thin water film grown from humid air |
| Authors: | Arai, Toyoko
Sato, Kohei
Iida, Asuka
Tomitori, Masahiko |
| Issue Date: | 2017-06-22 |
| Publisher: | Springer Nature |
| Magazine name: | Scientific Reports |
| Volume: | 7 |
| Start page: | Article number: 4054 |
| DOI: | 10.1038/s41598-017-04376-3 |
| Abstract: | The interfaces between solids and water films in air play fundamental roles in physicochemical phenomena, biological functions, and nano-fabrication. Though the properties of the interfaces have been considered to be irrelevant to the water film thickness, we found distinctive mechanical features of the interface between a cleaved muscovite mica surface and a thin water film grown in humid air, dissimilar to those in bulk water, using frequency-modulation atomic force microscopy. The thin water film grew with quasi-stabilized hydration networks of water molecules, tightly bound each other at the interface, to a thickness of ~2 nm at near-saturating humidity. Consequently, defective structures of the hydration networks persisted vertically through the hydration layers at the interface, and K^+ ions on the cleaved surface remained without dissolution into the water film. The results provide atomistic insights into thin water films in regard to epitaxial-like growth from vapour and the motion of water molecules and ions therein. |
| Rights: | © The Author(s) 2017. Toyoko Arai, Kohei Sato, Asuka Iida, and Masahiko Tomitori, Scientific Reports, 7, 2017, Article number: 4054. 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/. |
| URI: | http://hdl.handle.net/10119/14717 |
| Material Type: | publisher |
| Appears in Collections: | c10-1. 雑誌掲載論文 (Journal Articles)
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