Crossover from 2-dimensional to 1-dimensional collective pinning in NbSe3

Details Crossover from 2-dimensional to 1-dimensional collective pinning in NbSe3 Crossover from 2-dimensional to 1-dimensional collective pinning in NbSe3

2003-09-09

arxiv.org/abs/cond-mat/0309213v2

Physical Review B 69, 073105 (2004)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 2 figures, and 1 table. Accepted for publication in Physical Review B

Scientific paper

10.1103/PhysRevB.69.073105

We have fabricated NbSe$_3$ structures with widths comparable to the Fukuyama-Lee-Rice phase-coherence length. For samples already in the 2-dimensional pinning limit, we observe a crossover from 2-dimensional to 1-dimensional collective pinning when the crystal width is less than 1.6 $\mu$m, corresponding to the phase-coherence length in this direction. Our results show that surface pinning is negligible in our samples, and provide a means to probe the dynamics of single domains giving access to a new regime in charge-density wave physics.

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