Abstract
Crossbar arrays of single-wall carbon nanotubes are produced spontaneously in a single step of chemical vapor deposition by simultaneous graphoepitaxy along faceted nanosteps and field-directed growth, perpendicular to each other. The two alignment mechanisms take place selectively on miscut C-plane sapphire and patterned amorphous SiO2 islands, respectively, without mutual interference, producing dense nanotube grids, with up to 12 junctions per square micrometer. This one-step method of orthogonal self-assembly may open up new possibilities for nanotube circuit integration.
Original language | English |
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Pages (from-to) | 1706-1710 |
Number of pages | 5 |
Journal | Nano Letters |
Volume | 6 |
Issue number | 8 |
DOIs | |
State | Published - Aug 2006 |
Externally published | Yes |