Attachment of carbon nanotubes to AFM tips: Strength of carbonaceous and metal containing joints

Ivo Utke 1Stefan Fahlbusch Vinzenz Friedli Johann Michler 

1. EMPA Materials Research and Technology (EMPA), Feuerwerkerstr. 39, Thun 3602, Switzerland


Submicron- and nano-scale joining becomes increasingly important for assembly of individual nanowires into devices or experimental setups. For example, carbon nanotubes mechanically attached onto standard silicon cantilevers serve for high-resolution high-aspect atomic force microscopy (AFM). The joining is accomplished inside a scanning electron microscope (SEM). By means of x-y-z positioning tables the carbon nanotube is brought into physical contact with the AFM cantilever. The contact area is now scanned with the focused electron beam which leads to either the formation of a carbonaceous deposit due to the hydrocarbon contamination backpressure inside the microscope chamber or to a metallic deposit if metal-organic carrier gases are introduced into the SEM chamber. The mechanical stability of these deposits for joining purposes can be studied in the same setup by in-situ observation and simultaneous monitoring of the force-distance curve of the such modified cantilever.

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Presentation: oral at E-MRS Fall Meeting 2005, Symposium H, by Ivo Utke
See On-line Journal of E-MRS Fall Meeting 2005

Submitted: 2005-05-27 07:37
Revised:   2009-06-07 00:44
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