Article ID Journal Published Year Pages File Type
1545601 Physica E: Low-dimensional Systems and Nanostructures 2012 5 Pages PDF
Abstract

We present a theoretical study of electron transport properties through boron-nitride nanotube (BNNT) and contrast them to those of carbon nanotube (CNT). The work is based on a tight-binding Hamiltonian model within the framework of a generalized Green's function technique and relies on the Landauer–Bütikker formalism as the basis for studying the current–voltage characteristic of this system. We use an armchair single-walled BNNT in the CNT/BNNT/CNT structure. We numerically compute the transport properties in terms of transmission and current–voltage characteristic. Our calculations show that the electron transport can open a conduction gap in the CNT/BNNT/CNT structure.

Graphical AbstractWe have investigated the electron transport properties through an armchair single-walled (n, n) boron-nitride nanotube (BNNT) in CNT/BNNT/CNT structure.Figure optionsDownload full-size imageDownload as PowerPoint slideHighlights► We use the NEGF method and the tight-binding Hamiltonian model. ► We investigate the electronic density of states, transmission, and current–voltage. ► We use an armchair single-walled BNNT in the CNT/BNNT/CNT structure. ► Electron transport in the CNT/BNNT/CNT structure can open a conduction gap.

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Physical Sciences and Engineering Materials Science Electronic, Optical and Magnetic Materials
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