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Electrical properties of C^4+^ irradiated single‐walled carbon nanotube paper by Viera Skákalová; Alan B. Kaiser; Ursula Dettlaff; Kai Arstila; Arkady V. Krasheninnikov; Juhani Keinonen; Siegmar Roth is a Physics and Astronomy article available to read on EtoBox.
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## Abstract Single‐walled carbon nanotube (SWNT) networks have been irradiated with a ^12^C^4+^ ion beam (ion energy 23 MeV) to investigate changes to their properties. Measurements of the Raman D‐line show that the irradiation produces structural defects throughout SWNT paper of thickness 40 μm, with a linear increase in defects at the back side of the sample, but a saturating tendency occurring at the front (irradiated) side. The resistance of the samples also increases linearly with irradiation dose. The temperature dependence of the conductivity of the samples is changed progressively by the irradiation: whereas the pristine sample exhibits mixed metallic‐nonmetallic character consistent with the usual model of metallic conduction interrupted by thin barriers through which fluctuation‐assisted tunnelling occurs, the temperature dependence loses its metallic character and follows three‐dimensional variable‐range hopping for the most irradiated sample. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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- Author
- Viera Skákalová; Alan B. Kaiser; Ursula Dettlaff; Kai Arstila; Arkady V. Krasheninnikov; Juhani Keinonen; Siegmar Roth
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley (ISSN 0370-1972)
- Published
- 2008
- Language
- EN
- Field
- Physics and Astronomy (Physical Sciences)