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November 18, 2003
Focused
Ion Beam NanoFabrication
Source: Andrei Stanishevsky
References:
A.Stanishevsky. Fabrication of submicron structures in CVD diamond by focused ion beam. Journal of Superhard Materials,20, N6 (1998) 4.
A.Stanishevsky, A.S.Prakash, S.Aggarwal, J.Melngailis, and
R.Ramesh. Focused ion-beam patterning of nanoscale ferroelectric capacitors.
Proc. of 42nd Int.Conf. Ion, Electron, Photon Beam Technol. and
Nanofabrication., May 26-29 (1998), Chicago,Il.
J.Vac.Sci.Technol.B, 16 (1998) 3899.
Description:
Focused ion beams (FIBs) are widely used for
implantation, sputtering, and deposition at the micro- and nanoscale. FIBs
provide unique capabilities for prototyping new micro- and nano-devices,
materials modification, basic studies of ion/surface interactions, and much
more. The ion beam scans the surface in a choosen pattern, resulting in
material removal. The above image is of a FIB milled tip in a CVD
(Chemical Vapor Deposition) diamond microcrystal. The tip height is ~400 nm, and
the radius is ~40 nm.
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