Low-energy electron transmission in a partially unzipped zigzag nanotube

The European Physical Journal B - Tập 77 - Trang 433-440 - 2010
Yu. O. Klymenko1
1Space Research Institute of NAS and NSA of Ukraine, Kyiv, Ukraine

Tóm tắt

Based on the nearest-neighbor tight-binding approximation, we present exact analytical expressions for electron transmission in nanotube/ribbon junctions, generated by incomplete unzipping of zigzag nanotubes. By assuming one-dimer-line difference in the widths of the leads, it is demonstrated that such a contact exhibits zero backscattering of low-energy electrons entering from the graphene side of the junction. We also show that a zigzag nanotube section sandwiched between two armchair graphene ribbons is completely transparent for incident low-energy electrons. Possible application of the results to nanosensor engineering is also included.

Tài liệu tham khảo

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