Article Dans Une Revue The European Physical Journal B: Condensed Matter and Complex Systems Année : 2001

Influence of quantum Hall effect on linear and nonlinear conductivity in the FISDW states of the organic conductor (TMTSF)2PF6

Résumé

We report a detailed characterization of quantum Hall effect (QHE) influence on the linear and non-linear resistivity tensor in FISDW phases of the organic conductor (TMTSF)2PF6. We show that the behavior at low electric fields, observed for nominally pure single-crystals with different values of the resistivity ratio, is fully consistent with a theoretical model, which takes QHE nature of FISDW and residual quasi-particle density associated with different crystal imperfection levels into account. The non-linearity in longitudinal and diagonal resistivity tensor components observed at large electric fields reconciles preceding contradictory results. Our theoretical model offers a qualitatively good explanation of the observed features if a sliding of the density wave with the concomitant destruction of QHE, switched on above a finite electric field, is taken into account.

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hal-04991469 , version 1 (14-03-2025)

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T. Vuletić, Claude Pasquier, Pascale Auban-Senzier, S. Tomić, Denis Jerome, et al.. Influence of quantum Hall effect on linear and nonlinear conductivity in the FISDW states of the organic conductor (TMTSF)2PF6. The European Physical Journal B: Condensed Matter and Complex Systems, 2001, 21, pp.53-60. ⟨10.1007/s100510170212⟩. ⟨hal-04991469⟩
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