ELECTRONIC BAND STRUCTURE OF A CARBON NANOTUBE SUPERLATTICE

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SHOKRI A.A.; KARIMI Z.

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Journal Paper

Paper Information

Journal: International Journal of Nano Dimension Year:2014 | Volume:5 | Issue:1 (15) Page(s): 63-67

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Information Journal Paper

Title

ELECTRONIC BAND STRUCTURE OF A CARBON NANOTUBE SUPERLATTICE

Author(s)

SHOKRI A.A. | KARIMI Z. | Issue Writer Certificate

Keywords

CARBON NANOTUBE

TIGHT–BINDING MODEL

PENTAGON-HEPTAGON PAIR DEFECT

BAND STRUCTURE

SW DEFECT

Abstract

By employing the theoretical method based on tight-binding, we study electronic BAND STRUCTURE of single-wall CARBON NANOTUBE (CNT) superlattices, which the system is the made of the junction between the zigzag and armchair CARBON NANOTUBEs. Exactly at the place of connection, it is appeared the pentagon–heptagon pairs as topological defect in carbon hexagonal network. The calculations are based on the tight binding model in the nearest-neighbor approximation. We seek to describe electronic BAND STRUCTURE in the presence of the pentagon-heptagon pairs. Our calculation show that the pentagon–heptagon pairs defect in the nanotube structures is not only responsible for a change in a nanotube diameter, but also governs the electronic behaviour around Fermi level. Also, we obtain the Fermi energy of the system via integration of the density of states and matching it to the number of electron in the unit cell. The numerical results may be useful to design of electronic devices based on CNTs.

Cites

BAND BENDING ENGINEERING IN P-I-N GATE ALL AROUND CARBON NANOTUBE FIELD EFFECT TRANSISTORS BY MULTI-SEGMENT GATE

References

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APA: Copy

SHOKRI, A.A., & KARIMI, Z.. (2014). ELECTRONIC BAND STRUCTURE OF A CARBON NANOTUBE SUPERLATTICE. INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND), 5(1 (15)), 63-67. SID. https://sid.ir/paper/322140/en

Vancouver: Copy

SHOKRI A.A., KARIMI Z.. ELECTRONIC BAND STRUCTURE OF A CARBON NANOTUBE SUPERLATTICE. INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND)[Internet]. 2014;5(1 (15)):63-67. Available from: https://sid.ir/paper/322140/en

IEEE: Copy

A.A. SHOKRI, and Z. KARIMI, “ELECTRONIC BAND STRUCTURE OF A CARBON NANOTUBE SUPERLATTICE,” INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND), vol. 5, no. 1 (15), pp. 63–67, 2014, [Online]. Available: https://sid.ir/paper/322140/en

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