Nano Letters

, том 2 , издание 3 , страницы 253-256

Quantum Size Effects in Carbon Nanotube Intramolecular Junctions

Тип публикации: Journal Article

Дата публикации: 2002-01-29

American Chemical Society (ACS)

Nano Letters

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SJR: 2.594

CiteScore: 14.9

Impact factor: 9.1

ISSN: 15306984, 15306992

DOI: 10.1021/nl015705t

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General Chemistry

Condensed Matter Physics

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We calculated the effect of varying the length of a metal-semiconductor carbon nanotube junction on its electrical properties. Joining a metallic (5,5) tube to a semiconducting (10,0) tube leads to the creation of new states near the Fermi energy and produces a larger conductance gap (about 2 eV) than the band gap of the semiconducting segment (about 1 eV). The new states reflect the charge transfer from the (5,5) to the (10,0) segment. The larger conductance gap is due to the mismatch in the conducting states of the (5,5) and (10,0) segments. Although the number of states in the vicinity of EF increases significantly with increasing nanotube length, the electrical behavior of the junction does not acquire the characteristics of the semiconducting segment. The calculations suggest that the (5,5)/(10,0) nanotube junction could behave as an intrinsic diode for lengths as small as 4 nm.

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Rochefort A., Avouris P. Quantum Size Effects in Carbon Nanotube Intramolecular Junctions // Nano Letters. 2002. Vol. 2. No. 3. pp. 253-256.

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Rochefort A., Avouris P. Quantum Size Effects in Carbon Nanotube Intramolecular Junctions // Nano Letters. 2002. Vol. 2. No. 3. pp. 253-256.

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TY - JOUR

DO - 10.1021/nl015705t

UR - https://doi.org/10.1021/nl015705t

TI - Quantum Size Effects in Carbon Nanotube Intramolecular Junctions

T2 - Nano Letters

AU - Rochefort, Alain

AU - Avouris, Phaedon

PY - 2002

DA - 2002/01/29

PB - American Chemical Society (ACS)

SP - 253-256

IS - 3

VL - 2

SN - 1530-6984

SN - 1530-6992

ER -

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@article{2002_Rochefort,

author = {Alain Rochefort and Phaedon Avouris},

title = {Quantum Size Effects in Carbon Nanotube Intramolecular Junctions},

journal = {Nano Letters},

year = {2002},

volume = {2},

publisher = {American Chemical Society (ACS)},

month = {jan},

url = {https://doi.org/10.1021/nl015705t},

number = {3},

pages = {253--256},

doi = {10.1021/nl015705t}

}

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Rochefort, Alain, and Phaedon Avouris. “Quantum Size Effects in Carbon Nanotube Intramolecular Junctions.” Nano Letters, vol. 2, no. 3, Jan. 2002, pp. 253-256. https://doi.org/10.1021/nl015705t.

Издатель

American Chemical Society (ACS)

Журнал

Nano Letters

SCImago Q1

Tоп 10% SCImago

WOS Q1

БС1