TEM Pictures of STM Tips

TEM Picture of an electrochemically etched STM Tip (Pt, 0.003" diameter). The image was taken before an STM experiment
200 kV, Bar length = 10 nm
The etched tip is well-shaped, but not very sharp at the end.
This is the end-form that is typically used in field emission experiments.

TEM pictures were taken by Elton Graugnard and Takhee Lee (Sep. 1999).

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Ron Reifenberger
Last modified: Fri Jul 19 11:27:10 EST 2002