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Resistivity and fractal structure in carbon nanotube networks
Umeå University, Faculty of Science and Technology, Physics.
2002 (English)In: Journal of Physics Condensed Matter vol. 14 issue 44: Proceedings of the Joint 18th International Conference on High Pressure Science and Technology (AIRAPT 18) and the 11th High Pressure Conference of China (HPCC-11), Beijing 2001, Bristol: Institute of Physics , 2002, 11125-11129 p.Conference paper, Published paper (Refereed)
Abstract [en]

We have measured the temperature and magnetic field dependence of the resistance for bulk samples of single-walled nanotubes treated in different ways. Hydrostatic pressure-treated samples and as-grown samples show a two-dimensional variable-range hopping behaviour while samples treated in non-hydrostatic pressure or in acid for a long time show a three-dimensional transport behaviour. We suggest that the observed two-dimensional behaviour arises from a network structure with a fractal dimension lower than three.

Place, publisher, year, edition, pages
Bristol: Institute of Physics , 2002. 11125-11129 p.
Series
Journal of Physics Condensed Matter, ISSN 0953-8984 ; vol. 14 issue 44
National Category
Condensed Matter Physics
Research subject
Physics
Identifiers
URN: urn:nbn:se:umu:diva-21212DOI: 10.1088/0953-8984/14/44/437OAI: oai:DiVA.org:umu-21212DiVA: diva2:211043
Projects
Carbon nanotubes, single-walled carbon nanotubes, SWCNT, resistivity, conductivity, variable range hopping, low-dimensional conductivity, fractal dimensions, network
Note
Editor: Guangtian ZouAvailable from: 2009-04-07 Created: 2009-04-07 Last updated: 2010-01-20

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Publisher's full texthttp://stacks.iop.org/JPhysCM/14/11125

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