Introduction of pentagon-heptagon pair defects into the hexagonal network of a single carbon nanotube can change the helicity of the tube and alter its electronic structure. Using a tight-binding method to calculate the electronic structure of such systems we show that they behave as nanoscale metal/semiconductor or semiconductor/semiconductor junctions. These junctions could be the building blocks of nanoscale electronic devices made entirely of carbon.
|Original language||English (US)|
|Number of pages||4|
|Journal||Physical review letters|
|State||Published - 1996|
All Science Journal Classification (ASJC) codes
- Physics and Astronomy(all)