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High temperature Luttinger liquid conductivity in carbon nanotube bundles
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2010 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 97, no 7, 072106- p.Article in journal (Refereed) Published
Abstract [en]

The conductance and the current-voltage characteristics of metallic single wall carbon nanotube bundles have been measured between 4.2 and 330 K using 10–30 ns electric pulses to avoid overheating. The current-voltage characteristics at different temperatures collapse to a single curve when plotted in the specific coordinates following from the Tomonaga–Luttinger (T–L) liquid concept. Direct evidence is obtained for the existence of a T–L liquid phase up to 190 K and the system shows a transition between the T–L liquid state and a Mott insulating phase below 25 K.

Place, publisher, year, edition, pages
American Institute of Physics , 2010. Vol. 97, no 7, 072106- p.
Keyword [en]
Carbon nanotubes, Single wall carbon nanotubes, SWCNT, resistivity, conductivity, Luttinger liquid, Mott insulator
National Category
Condensed Matter Physics
Research subject
URN: urn:nbn:se:umu:diva-36003DOI: 10.1063/1.3467464ISI: 000281153600037OAI: diva2:351364
Available from: 2010-09-14 Created: 2010-09-14 Last updated: 2010-11-10Bibliographically approved

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Sundqvist, Bertil
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Department of Physics
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