Electrical transport properties in a single-walled carbon nanotube network

Karim Snoussi; Amin Vakhshouri; Haruya Okimoto; Taishi Takenobu; Yoshihiro Iwasa; Shigeo Maruyama; Katsushi Hashimoto; Yoshiro Hirayama

doi:10.1002/pssc.201100298

Electrical transport properties in a single-walled carbon nanotube network

Karim Snoussi, Amin Vakhshouri, Haruya Okimoto, Taishi Takenobu, Yoshihiro Iwasa, Shigeo Maruyama, Katsushi Hashimoto, Yoshiro Hirayama

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

2 Scopus citations

Abstract

We measured and analysed the electronic transport properties of a single-walled carbon nanotube (SWCNT) network on which the nanotubes were deposited by an ink-jet method. The SWCNT network showed an Ohmic behaviour down to a temperature T of 0.5 K. Moreover, the resistance of the SWCNT network exhibited a temperature dependence which indicated a Mott variable-range hopping transport mechanism. A localisation length was extracted and estimated to be between 3.6 and 11 nm; this indicated that the SWCNT sample constituted a 3D network. The magnetoresistance reached a minimum for a certain value of the magnetic field B _min. With decreasing the temperature, B _min tended linearly to 0 T. This observation was interpreted as the suppression of a quantum interference process between electronic hopping paths through neighbouring defects of the SWCNT network.

Original language	English (US)
Pages (from-to)	183-186
Number of pages	4
Journal	Physica Status Solidi (C) Current Topics in Solid State Physics
Volume	9
Issue number	2
DOIs	https://doi.org/10.1002/pssc.201100298
State	Published - Feb 2012
Externally published	Yes

Keywords

Carbon nanotube network
Electrical transport properties
Mott variable-range hopping
Quantum interference

ASJC Scopus subject areas

Condensed Matter Physics

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10.1002/pssc.201100298

Cite this

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title = "Electrical transport properties in a single-walled carbon nanotube network",

abstract = "We measured and analysed the electronic transport properties of a single-walled carbon nanotube (SWCNT) network on which the nanotubes were deposited by an ink-jet method. The SWCNT network showed an Ohmic behaviour down to a temperature T of 0.5 K. Moreover, the resistance of the SWCNT network exhibited a temperature dependence which indicated a Mott variable-range hopping transport mechanism. A localisation length was extracted and estimated to be between 3.6 and 11 nm; this indicated that the SWCNT sample constituted a 3D network. The magnetoresistance reached a minimum for a certain value of the magnetic field B min. With decreasing the temperature, B min tended linearly to 0 T. This observation was interpreted as the suppression of a quantum interference process between electronic hopping paths through neighbouring defects of the SWCNT network.",

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AU - Snoussi, Karim

AU - Vakhshouri, Amin

AU - Okimoto, Haruya

AU - Takenobu, Taishi

AU - Iwasa, Yoshihiro

AU - Maruyama, Shigeo

AU - Hashimoto, Katsushi

AU - Hirayama, Yoshiro

PY - 2012/2

Y1 - 2012/2

N2 - We measured and analysed the electronic transport properties of a single-walled carbon nanotube (SWCNT) network on which the nanotubes were deposited by an ink-jet method. The SWCNT network showed an Ohmic behaviour down to a temperature T of 0.5 K. Moreover, the resistance of the SWCNT network exhibited a temperature dependence which indicated a Mott variable-range hopping transport mechanism. A localisation length was extracted and estimated to be between 3.6 and 11 nm; this indicated that the SWCNT sample constituted a 3D network. The magnetoresistance reached a minimum for a certain value of the magnetic field B min. With decreasing the temperature, B min tended linearly to 0 T. This observation was interpreted as the suppression of a quantum interference process between electronic hopping paths through neighbouring defects of the SWCNT network.

AB - We measured and analysed the electronic transport properties of a single-walled carbon nanotube (SWCNT) network on which the nanotubes were deposited by an ink-jet method. The SWCNT network showed an Ohmic behaviour down to a temperature T of 0.5 K. Moreover, the resistance of the SWCNT network exhibited a temperature dependence which indicated a Mott variable-range hopping transport mechanism. A localisation length was extracted and estimated to be between 3.6 and 11 nm; this indicated that the SWCNT sample constituted a 3D network. The magnetoresistance reached a minimum for a certain value of the magnetic field B min. With decreasing the temperature, B min tended linearly to 0 T. This observation was interpreted as the suppression of a quantum interference process between electronic hopping paths through neighbouring defects of the SWCNT network.

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KW - Quantum interference

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Electrical transport properties in a single-walled carbon nanotube network

Abstract

Keywords

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