Journal
ACS NANO
Volume 5, Issue 1, Pages 291-298Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nn102721v
Keywords
vertical field effect transistor; X-ray diffraction; carbon nanotube; low voltage
Categories
Funding
- National Science Foundation [ECCS-0824157]
- Nano-holdings, LLC.
- Div Of Electrical, Commun & Cyber Sys [0824157] Funding Source: National Science Foundation
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The large current densities attained by carbon nanotube enabled Vertical field effect transistors using crystalline organic channel materials are somewhat unexpected given the known large anisotropy in the mobility of crystalline organics and their conventional ordering on dielectric surfaces which tends to orient their high mobility axes parallel to the surface. This seeming contradiction is resolved by the finding that the nanotubes induce a molecular ordering that reorients the high mobility axes to favor current flow In a direction perpendicular to the substrate surface.
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