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Título

Fabrication of gold nanowires on insulating substrates by field-induced mass transport

AutorCalleja, Montserrat ; Tello Ruiz, Marta ; Anguita, José Virgilio ; García-Pérez, Fernando ; García García, Ricardo
Palabras claveGold
Quantum wires
Atomic force microscopy
Nanotechnology
Electrical resistivity
Fecha de publicación8-oct-2001
EditorAmerican Institute of Physics
CitaciónApplied Physics Letters 79, 2471 (2001);
ResumenA method for the fabrication of nanometer size gold wires on insulating surfaces is presented. An oscillating gold-coated atomic force microscope tip is brought into close proximity of a silicon dioxide surface. The application of a negative sample voltage produces the transport of gold atoms from the tip to the surface. The voltage is applied when there is a tip–surface separation of ∼3 nm. The finite tip–surface separation enhances the tip lifetime. It also allows the application of sequences of multiple voltage pulses. Those sequences allow the fabrication of continuous nanowires. The atomic force microscope gold deposition is performed at room temperature and in ambient conditions which makes the method fully compatible with standard lithographic techniques. Electron transport measurements of the wires show a clear metallic behavior. Electrical resistivities of ∼ 3×10−7 Ω m and current densities of up to 5×1011 A m−2 are reported.
Versión del editorhttp://dx.doi.org/10.1063/1.1408911
URIhttp://hdl.handle.net/10261/25708
DOI10.1063/1.1408911
ISSN0003-6951
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