Size effects on the charge-density-wave pinning in the quasi-one-dimensional conductor K0.30MoO3 - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Physics Letters A Année : 2009

Size effects on the charge-density-wave pinning in the quasi-one-dimensional conductor K0.30MoO3

Résumé

We report size effects on the charge-density-wave pinning in the quasi-one-dimensional conductor K0.30MoO3 in the temperature range 77 K-160 K. The threshold field is approximately one order of magnitude larger in needle-like samples than in bulk crystals, temperature independent and strongly dependent on the width of the sample. In addition, the nonlinear conductivity shows a maximum near 130 K. The results are discussed in relation with various pinning models and CDW dislocations.

Dates et versions

hal-00990188 , version 1 (13-05-2014)

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Jean Dumas, Jacques Marcus. Size effects on the charge-density-wave pinning in the quasi-one-dimensional conductor K0.30MoO3. Physics Letters A, 2009, 373 (45), pp.4189-4193. ⟨10.1016/j.physleta.2009.09.027⟩. ⟨hal-00990188⟩

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