Journal
PHYSICAL REVIEW LETTERS
Volume 85, Issue 16, Pages 3476-3479Publisher
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.85.3476
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Electronic transport measurements were performed on Y-junction carbon nanotubes. These novel junctions contain a large diameter tube branched into smaller ones. Independent measurements using good quality contacts on both individual Y junctions and many in parallel show intrinsic nonlinear transport and reproducible rectifying behavior at room temperature. The results were modeled using classic interface physics for a junction with an abrupt change in band Sap due to the change in tube diameter. These Y-junction tubes represent new heterojunctions for nanoelectronics.
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