Magnetically induced field effect in carbon nanotube devices.
basic_science · Level V
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- Record sourced from PubMed, PMID 17385934.
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Abstract
Three-terminal devices with conduction channels formed by quasi-metallic carbon nanotubes (CNTs) are shown to operate as nanotube-based field-effect transistors under strong magnetic fields. The off-state conductance of the devices varies exponentially with the magnetic flux intensity. We extract the quasi-metallic CNT chirality as well as the characteristics of the Schottky barriers formed at the metal-nanotube contacts from the temperature-dependent magnetoconductance measurements.
Medical subject headings
- Electromagnetic Fields
- Nanotechnology
- Nanotubes, Carbon
- Transistors, Electronic