Nanopipette combined with quartz tuning fork-atomic force microscope for force spectroscopy/microscopy and liquid delivery-based nanofabrication

This paper introduces a nanopipette combined with a quartz tuning fork-atomic force microscope system (nanopipette/QTF-AFM), and describes experimental and theoretical investigations of the nanoscale materials used. The system offers several advantages over conventional cantilever-based AFM and QTF-...

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Veröffentlicht in:Review of scientific instruments 2014-03, Vol.85 (3), p.033702-033702
Hauptverfasser: An, Sangmin, Lee, Kunyoung, Kim, Bongsu, Noh, Haneol, Kim, Jongwoo, Kwon, Soyoung, Lee, Manhee, Hong, Mun-Heon, Jhe, Wonho
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Sprache:eng
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Zusammenfassung:This paper introduces a nanopipette combined with a quartz tuning fork-atomic force microscope system (nanopipette/QTF-AFM), and describes experimental and theoretical investigations of the nanoscale materials used. The system offers several advantages over conventional cantilever-based AFM and QTF-AFM systems, including simple control of the quality factor based on the contact position of the QTF, easy variation of the effective tip diameter, electrical detection, on-demand delivery and patterning of various solutions, and in situ surface characterization after patterning. This tool enables nanoscale liquid delivery and nanofabrication processes without damaging the apex of the tip in various environments, and also offers force spectroscopy and microscopy capabilities.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.4866656