Enhanced quality factors and force sensitivity by attaching magnetic beads to cantilevers for atomic force microscopy in liquid

Dynamic-mode atomic force microscopy (AFM) in liquid remains complicated due to the strong viscous damping of the cantilever resonance. Here, we show that a high-quality resonance (Q>20) can be achieved in aqueous solution by attaching a microgram-bead at the end of the nanogram-cantilever. The r...

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Veröffentlicht in:	Journal of applied physics 2012-12, Vol.112 (11)
Hauptverfasser:	Hoof, Sebastian, Nand Gosvami, Nitya, Hoogenboom, Bart W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic force microscopy Beads Detectors Liquids Magnetic resonance Nanostructure Noise Quality factor
Online-Zugang:	Volltext
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