Electrical properties of ferromagnetic semiconducting single-walled carbon nanotubes

Y. F. Li; R. Hatakeyama; T. Kaneko; T. Izumida; T. Okada; T. Kato

doi:10.1063/1.2337872

Electrical properties of ferromagnetic semiconducting single-walled carbon nanotubes

Y. F. Li, R. Hatakeyama, T. Kaneko, T. Izumida, T. Okada, T. Kato

ENG - Electronic Engineering

Tohoku University

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

28 Citations (Scopus)

Abstract

Electrical properties of single-walled carbon nanotubes (SWCNTs) filled with Fe are studied by fabricating them as the channels of field-effect transistor devices. The synthesis of Fe-filled SWCNTs is realized by using ferrocene as the starting material. Our results reveal that ferrocene-filled SWCNTs show the interesting ambipolar behavior. In contrast, Fe-filled SWCNTs can exhibit high performance unipolar n-type semiconducting characteristics, suggesting the possibility of creating ferromagnetic semiconducting SWCNTs. Moreover, Coulomb blockade oscillations are significantly observed on Fe-filled SWCNTs, which indicates that they exhibit excellent single-electron transistor characteristics at low temperatures.

Original language	English
Article number	083117
Journal	Applied Physics Letters
Volume	89
Issue number	8
DOIs	https://doi.org/10.1063/1.2337872
Publication status	Published - 2006

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title = "Electrical properties of ferromagnetic semiconducting single-walled carbon nanotubes",

abstract = "Electrical properties of single-walled carbon nanotubes (SWCNTs) filled with Fe are studied by fabricating them as the channels of field-effect transistor devices. The synthesis of Fe-filled SWCNTs is realized by using ferrocene as the starting material. Our results reveal that ferrocene-filled SWCNTs show the interesting ambipolar behavior. In contrast, Fe-filled SWCNTs can exhibit high performance unipolar n-type semiconducting characteristics, suggesting the possibility of creating ferromagnetic semiconducting SWCNTs. Moreover, Coulomb blockade oscillations are significantly observed on Fe-filled SWCNTs, which indicates that they exhibit excellent single-electron transistor characteristics at low temperatures.",

author = "Li, {Y. F.} and R. Hatakeyama and T. Kaneko and T. Izumida and T. Okada and T. Kato",

note = "Funding Information: The authors are grateful to K. Tohji and K. Motomiya for their assistant in TEM observation. This work was supported by Tohoku University 21st Center of Excellence (COE) Program and JSPS-CAS Core-University Program on Plasma and Nuclear Fusion.",

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T1 - Electrical properties of ferromagnetic semiconducting single-walled carbon nanotubes

AU - Li, Y. F.

AU - Hatakeyama, R.

AU - Kaneko, T.

AU - Izumida, T.

AU - Okada, T.

AU - Kato, T.

N1 - Funding Information: The authors are grateful to K. Tohji and K. Motomiya for their assistant in TEM observation. This work was supported by Tohoku University 21st Center of Excellence (COE) Program and JSPS-CAS Core-University Program on Plasma and Nuclear Fusion.

PY - 2006

Y1 - 2006

N2 - Electrical properties of single-walled carbon nanotubes (SWCNTs) filled with Fe are studied by fabricating them as the channels of field-effect transistor devices. The synthesis of Fe-filled SWCNTs is realized by using ferrocene as the starting material. Our results reveal that ferrocene-filled SWCNTs show the interesting ambipolar behavior. In contrast, Fe-filled SWCNTs can exhibit high performance unipolar n-type semiconducting characteristics, suggesting the possibility of creating ferromagnetic semiconducting SWCNTs. Moreover, Coulomb blockade oscillations are significantly observed on Fe-filled SWCNTs, which indicates that they exhibit excellent single-electron transistor characteristics at low temperatures.

AB - Electrical properties of single-walled carbon nanotubes (SWCNTs) filled with Fe are studied by fabricating them as the channels of field-effect transistor devices. The synthesis of Fe-filled SWCNTs is realized by using ferrocene as the starting material. Our results reveal that ferrocene-filled SWCNTs show the interesting ambipolar behavior. In contrast, Fe-filled SWCNTs can exhibit high performance unipolar n-type semiconducting characteristics, suggesting the possibility of creating ferromagnetic semiconducting SWCNTs. Moreover, Coulomb blockade oscillations are significantly observed on Fe-filled SWCNTs, which indicates that they exhibit excellent single-electron transistor characteristics at low temperatures.

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Electrical properties of ferromagnetic semiconducting single-walled carbon nanotubes

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