Abstract

We report the fabrication of nanometer-scale Si structures using an atomic force microscope. A conducting AFM tip was used to write nanometer-scale oxide patterns by the local anodic oxidation of a passivated Si(100) surface. These oxide patterns were used as masks for selective etching of the silicon to form the completed structures. Side-gated Si field effect transistors with critical features as small as 30 nm have been fabricated by this method.

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