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Pressure variation of Luttinger liquid parameters in single wall carbon nanotubes networks

  • Mesoscopic and Nanoscale Systems
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Abstract.

We measure electrical transport on networks of single wall nanotube of different origin as a function of temperature T, voltage V and pressure P. We observe Luttinger liquid (LL) behavior, a conductance ∝Tα and a dynamic conductance ∝Vα. We observe a sample dependent P variation of the α parameters, interpreted as Fermi level changes due to pressure induced charge transfer. We show how, through standard four-leads and crossed configuration methods, it is possible to determine αbulk and αend, respectively. We study and discuss the pressure and doping level dependences of the number of channels N, the LL parameter g and the intra-rope tube-tube coupling constant U within a phenomenological model.

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Authors and Affiliations

  1. Institut Néel, Centre Nationale de la Recherche Scientifique et Université Joseph Fourier, BP 166, 38042, Grenoble, France

    F. Morales, M. Monteverde & M. Núñez-Regueiro

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  1. F. Morales
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  2. M. Monteverde
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  3. M. Núñez-Regueiro
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Correspondence to M. Núñez-Regueiro.

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Morales, F., Monteverde, M. & Núñez-Regueiro, M. Pressure variation of Luttinger liquid parameters in single wall carbon nanotubes networks. Eur. Phys. J. B 65, 511 (2008). https://doi.org/10.1140/epjb/e2008-00364-9

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  • DOI: https://doi.org/10.1140/epjb/e2008-00364-9

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