Diameter dependent magnetic and electronic properties of single-walled carbon nanotubes with Fe nanowires

Masanori Kisaku; Mahmudur Rahman; Tomoya Kishi; Daisuke Matsunaka; Tanglaw Abat Roman; Wilson Agerico Diño; Hiroshi Nakanishi; Hideaki Kasai

doi:10.1143/JJAP.44.882

Diameter dependent magnetic and electronic properties of single-walled carbon nanotubes with Fe nanowires

Masanori Kisaku, Mahmudur Rahman, Tomoya Kishi, Daisuke Matsunaka, Tanglaw Abat Roman, Wilson Agerico Diño, Hiroshi Nakanishi, Hideaki Kasai

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

15 Citations (Scopus)

Abstract

We investigate the electronic and magnetic properties of single-walled carbon nanotubes (SWNTs) filled with Fe nanowires, based on the spin-polarized density functional theory. We find that in the stable structure, the Fe-filled (3, 3) and (5, 0) SWNTs exhibit semiconducting properties, and the magnetic moment of Fe nanowires inside disappears. On the other hand, the Fe-filled (4, 4), (5, 5), (6, 6) and (6, 0) SWNTs, having larger radii, are metallic and exhibit ferromagnetic properties. The corresponding magnetic moment increases with increasing nanotube diameter.

Original language	English
Pages (from-to)	882-888
Number of pages	7
Journal	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume	44
Issue number	2
DOIs	https://doi.org/10.1143/JJAP.44.882
Publication status	Published - Feb 2005
Externally published	Yes

Keywords

Carbon nanotube
Density functional theory
First-principles calculations
Iron
Magnetic nanowire
Magnetic property
Nanowire
Spintronics

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abstract = "We investigate the electronic and magnetic properties of single-walled carbon nanotubes (SWNTs) filled with Fe nanowires, based on the spin-polarized density functional theory. We find that in the stable structure, the Fe-filled (3, 3) and (5, 0) SWNTs exhibit semiconducting properties, and the magnetic moment of Fe nanowires inside disappears. On the other hand, the Fe-filled (4, 4), (5, 5), (6, 6) and (6, 0) SWNTs, having larger radii, are metallic and exhibit ferromagnetic properties. The corresponding magnetic moment increases with increasing nanotube diameter.",

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AU - Kisaku, Masanori

AU - Rahman, Mahmudur

AU - Kishi, Tomoya

AU - Matsunaka, Daisuke

AU - Roman, Tanglaw Abat

AU - Diño, Wilson Agerico

AU - Nakanishi, Hiroshi

AU - Kasai, Hideaki

PY - 2005/2

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N2 - We investigate the electronic and magnetic properties of single-walled carbon nanotubes (SWNTs) filled with Fe nanowires, based on the spin-polarized density functional theory. We find that in the stable structure, the Fe-filled (3, 3) and (5, 0) SWNTs exhibit semiconducting properties, and the magnetic moment of Fe nanowires inside disappears. On the other hand, the Fe-filled (4, 4), (5, 5), (6, 6) and (6, 0) SWNTs, having larger radii, are metallic and exhibit ferromagnetic properties. The corresponding magnetic moment increases with increasing nanotube diameter.

AB - We investigate the electronic and magnetic properties of single-walled carbon nanotubes (SWNTs) filled with Fe nanowires, based on the spin-polarized density functional theory. We find that in the stable structure, the Fe-filled (3, 3) and (5, 0) SWNTs exhibit semiconducting properties, and the magnetic moment of Fe nanowires inside disappears. On the other hand, the Fe-filled (4, 4), (5, 5), (6, 6) and (6, 0) SWNTs, having larger radii, are metallic and exhibit ferromagnetic properties. The corresponding magnetic moment increases with increasing nanotube diameter.

KW - Carbon nanotube

KW - Density functional theory

KW - First-principles calculations

KW - Iron

KW - Magnetic nanowire

KW - Magnetic property

KW - Nanowire

KW - Spintronics

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Diameter dependent magnetic and electronic properties of single-walled carbon nanotubes with Fe nanowires

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Keywords

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