Half-metallic carbon nanotubes

Kyu Won Lee; Cheol Eui Lee

doi:10.1002/adma.201200104

Half-metallic carbon nanotubes

Kyu Won Lee, Cheol Eui Lee

Department of Physics

Research output: Contribution to journal › Article › peer-review

32 Citations (Scopus)

Abstract

Half-metallicity in carbon nanotubes is achieved and controlled by hydrogen adsorption patterns. The edge states in carbon nanotubes are unstable under an electric field due to the spin-conserving electron transfer between the edges, but a large enough transfer barrier between the edge states, obtained by controlling the adsorption patterns, renders the CNTs half-metallic.

Original language	English
Pages (from-to)	2019-2023
Number of pages	5
Journal	Advanced Materials
Volume	24
Issue number	15
DOIs	https://doi.org/10.1002/adma.201200104
Publication status	Published - 2012 Apr 17

Keywords

graphene nanoribbons
half-metallic carbon nanotubes
hydrogenated carbon nanotubes

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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10.1002/adma.201200104

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title = "Half-metallic carbon nanotubes",

abstract = "Half-metallicity in carbon nanotubes is achieved and controlled by hydrogen adsorption patterns. The edge states in carbon nanotubes are unstable under an electric field due to the spin-conserving electron transfer between the edges, but a large enough transfer barrier between the edge states, obtained by controlling the adsorption patterns, renders the CNTs half-metallic.",

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AB - Half-metallicity in carbon nanotubes is achieved and controlled by hydrogen adsorption patterns. The edge states in carbon nanotubes are unstable under an electric field due to the spin-conserving electron transfer between the edges, but a large enough transfer barrier between the edge states, obtained by controlling the adsorption patterns, renders the CNTs half-metallic.

KW - graphene nanoribbons

KW - half-metallic carbon nanotubes

KW - hydrogenated carbon nanotubes

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Half-metallic carbon nanotubes

Abstract

Keywords

ASJC Scopus subject areas

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