Journal
APPLIED PHYSICS LETTERS
Volume 77, Issue 13, Pages 1991-1993Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1312256
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A robust technique for fabrication of metal wires with controlled widths substantially below 10 nm is presented. By etching a cleaved molecular-beam epitaxy grown substrate, a mechanical template is produced with surface relief of atomic lateral definition. Using metal deposition and directional ion etching of such a substrate, electrically continuous wires are formed from AuPd alloy with diameters as small as 3 nm and lengths greater than 1 mu m. This technique can be used with a variety of materials and makes metallic nanostructures on a previously inaccessible size scale. (C) 2000 American Institute of Physics. [S0003-6951(00)02139-2].
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