Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
1997-04-16
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
8 pages, 10 Postscript figures, accepted in Physical Review B
Scientific paper
10.1103/PhysRevB.56.2154
The shape of metallic constrictions of nanoscopic dimensions (necks) formed using a scanning tunneling microscope (STM) is shown to depend on the fabrication procedure. Submitting the neck to repeated plastic deformation cycles makes 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.
Agrait Nicolas
Rubio G.
Untiedt C.
Vieira Sebastian
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