Creep, flow, and phase slippage regimes: an extensive view of the sliding charge-density wave revealed by coherent X-ray diffraction

Coherent x-ray diffraction experiments have been used to probe the dynamics of the charge density wave (CDW) in the quasi-1D system NbSe(3). The 2k(F) satellite reflection associated with the CDW has been measured with respect to external dc currents, below and above the depinning current. These mea...

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Bibliographic Details
Published in:Physical review letters 2012-12, Vol.109 (25), p.256402-256402, Article 256402
Main Authors: Pinsolle, E, Kirova, N, Jacques, V L R, Sinchenko, A A, Le Bolloc'h, D
Format: Article
Language:English
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Summary:Coherent x-ray diffraction experiments have been used to probe the dynamics of the charge density wave (CDW) in the quasi-1D system NbSe(3). The 2k(F) satellite reflection associated with the CDW has been measured with respect to external dc currents, below and above the depinning current. These measurements illustrate for the first time the extensive behavior of a moving electronic crystal: the creep regime, with nucleation of CDW dislocations, the flow regime, with motional ordering, along with phase slippage and the role of strong pinning due to an extrinsic defect.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.109.256402