Minitips in Frequency-Modulation Atomic Force Microscopy at Liquid--Solid Interfaces
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概要
- 論文の詳細を見る
A frequency-modulation atomic force microscope was operated in liquid using sharpened and cone-shaped tips. The topography of mica and alkanethiol monolayers was obtained with subnanometer resolution, regardless of nominal tip radius, which was either 10 or 250 nm. Force--distance curves determined over a hexadecane--thiol interface showed force modulations caused by liquid layers structured at the interface. The amplitude of force modulation and the layer-to-layer distance were completely insensitive to the nominal tip radius. These results are evidence that minitips smaller than the nominal radius are present on the tip body and function as a force probe.
- 2012-02-25
著者
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Kimura Kenjiro
Department Of Biochemistry National Cerebral And Cardiovascular Center Research Institute
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Onishi Hiroshi
Department F Genetic Information Division Of Molecular Life Science School Of Medicine Tokai Univers
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Onishi Hiroshi
Department of Chemistry, Graduate School of Science, Kobe University, Kobe 657-8501, Japan
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Hiasa Takumi
Department of Chemistry, Graduate School of Science, Kobe University, Kobe 657-8501, Japan
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