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A carbon nanotube (CNT) is a tube made of carbon with a diameter in the nanometre range (nanoscale). They are one of the allotropes of carbon. Two broad classes of carbon nanotubes are recognized:
History & Applications
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carbon nanotubes nanotube cnts properties swcnts graphene used applications using one cnt structure two diameter electrical high optical single-walled also
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| iron | instance of | and Bethune and colleagues at IBM independently discovered that co-vaporising carbon and transition metals | 0.80 | text |
| cobalt could specifically catalyse SWCNT formation | instance of | and Bethune and colleagues at IBM independently discovered that co-vaporising carbon and transition metals | 0.80 | text |
| magnetic moment | instance of | Properties | 0.80 | text |
| thermal stability | instance of | Properties | 0.80 | text |
| etc. vary widely depending on the radius of the torus | instance of | Properties | 0.80 | text |
| the radius of the tube.Graphenated carbon nanotubes are a relatively new hybrid that combines graphitic foliates grown along the sidewalls of multiwalled or bamboo-style CNTs | instance of | Properties | 0.80 | text |
| copper | instance of | 000 times greater than those of metals | 0.80 | text |
| where for copper interconnects | instance of | 000 times greater than those of metals | 0.80 | text |
| current densities are limited by electromigration | instance of | 000 times greater than those of metals | 0.80 | text |
| FeCl3 or electron-deficient metallocenes function as p-type dopants because they draw π-electrons away from the top of the valence band.Intrinsic superconductivity has been reported | instance of | π-electron acceptors | 0.80 | text |
| although other experiments found no evidence of this | instance of | π-electron acceptors | 0.80 | text |
| leaving the claim a subject of debate.In 2021 | instance of | π-electron acceptors | 0.80 | text |
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