Carbon nanotubes (CNTs) can be used as probe-tips in Atomic force microscopy. Is that the type of thing you mean?

Examples such as this:

https://pdfs.semanticscholar.org/f5e5/095f915bdfd13a7b9c36aa1312a959e4be65.pdf

or this:

Article New carbon nanotube AFM probe technology

Yes. You can find below some images taken with NanoMagnetics Instruments ezAFM+

Carbon nanotubes (CNTs) can be used as probe-tips in Atomic force microscopy. Is that the type of thing you mean?

Examples such as this:

https://pdfs.semanticscholar.org/f5e5/095f915bdfd13a7b9c36aa1312a959e4be65.pdf

or this:

Article New carbon nanotube AFM probe technology

Not only CNTs, but other 1-D nanostructures like silicon nanowires can also be used as AFM probes.

Thank you very much