Atomic-Resolution Imaging of Graphite-Water Interface by Frequency Modulation Atomic Force Microscopy

被引：74

作者：

Suzuki, Kazuhiro ^{[1
]}

Oyabu, Noriaki ^{[1
,2
]}

Kobayashi, Kei ^{[3
]}

Matsushige, Kazumi ^{[1
]}

Yamada, Hirofumi ^{[1
]}

机构：

[1] Kyoto Univ, Dept Elect Sci & Engn, Kyoto 6158510, Japan

[2] Japan Sci & Technol Agcy, Kawaguchi, Saitama 3320012, Japan

[3] Kyoto Univ, Off Society Acad Collaborat Innovat, Kyoto 6158520, Japan

来源：

APPLIED PHYSICS EXPRESS | 2011年 / 4卷 / 12期

基金：

日本学术振兴会; 日本科学技术振兴机构;

关键词：

ENERGY; LIQUID; DYNAMICS; SURFACES;

D O I：

10.1143/APEX.4.125102

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Atomic-resolution images of a graphite (0001) surface in water were successfully obtained by frequency modulation atomic force microscopy. Atomic scale features with a periodicity of 0.25 nm were resolved with an interaction force of less than 100 pN using a stiff cantilever and a very small oscillation amplitude of 0.11 nm (0.21 nm peak-to-peak). Furthermore, structured-water layers on a hydrophobic graphite surface were visualized by two-dimensional frequency shift mapping. The results were compared with a molecular-scale hydration structure at an interface between a hydrophilic mica surface and water. (C) 2011 The Japan Society of Applied Physics

引用

页数：3

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