Sculpting nanoelectrodes with a transmission electron beam for electrical and geometrical characterization of nanoparticles.
basic_science · Level V
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Abstract
A method to produce metal electrodes with a gap of a few nanometers with a highly focused electron beam in a transmission electron microscope (TEM) is described. With this method the electrical and geometrical characterization of the same particle is possible. The I-V characteristics of a gold particle trapped between such electrodes showed the expected single-electron tunneling behavior, with a Coulomb gap corresponding to the geometry of the particle as observed with high-resolution TEM.
Medical subject headings
- Electrochemistry
- Gold
- Materials Testing
- Microelectrodes
- Microscopy, Electron, Transmission