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Fabrication and characterization of metallic nanowires

By Carlos Untiedt, Gabino Rubio Bollinger, Sebastián Vieira Díaz and Nicolás Agraït de la Puente

Abstract

The shape of metallic constrictions of nanoscopic dimensions (necks) formed using a scanning tunneling microscope is shown to depend on the fabrication procedure. Submitting the neck to repeated plastic deformation cycles makes it possible to obtain long necks or nanowires. Point-contact spectroscopy results show that these long necks are quite crystalline, indicating that the repeated cycles of plastic deformation act as a “mechanical annealing” of the neck.This work was supported by the DGICYT under Contract Nos. MAT95-1542 and PB94-0382

Topics: Metallic constrictions, Necks, Nanowires, Física de la Materia Condensada
Publisher: American Physical Society
Year: 1997
DOI identifier: 10.1103/PhysRevB.56.2154
OAI identifier: oai:rua.ua.es:10045/25186
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