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    1D goes 2D: A Berezinskii-Kosterlitz-Thouless transition in superconducting arrays of 4-Angstrom carbon nanotubes

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    Type
    Article
    Authors
    Wang, Zhe
    Shi, Wu
    Xie, Hang
    Zhang, Ting
    Wang, Ning
    Tang, Zikang
    Zhang, Xixiang cc
    Lortz, Rolf W.
    Sheng, Ping
    KAUST Department
    Imaging and Characterization Core Lab
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2010-10-01
    Preprint Posting Date
    2009-08-15
    Online Publication Date
    2010-10-01
    Print Publication Date
    2010-12
    Embargo End Date
    2011-10-01
    Permanent link to this record
    http://hdl.handle.net/10754/561572
    
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    Abstract
    We report superconducting resistive transition characteristics for array(s) of coupled 4-Angstrom single wall carbon nanotubes embedded in aluminophosphate-five zeolite. The transition was observed to initiate at 15 K with a slow resistance decrease switching to a sharp, order of magnitude drop between 7.5 and 6.0 K with strong (anisotropic) magnetic field dependence. Both the sharp resistance drop and its attendant nonlinear IV characteristics are consistent with the manifestations of a Berezinskii-Kosterlitz-Thouless transition that establishes quasi long range order in the plane transverse to the c-axis of the nanotubes, leading to an inhomogeneous system comprising 3D superconducting regions connected by weak links. Global coherence is established at below 5 K with the appearance of a well-defined supercurrent gap/low resistance region at 2 K. © 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
    Citation
    Wang, Z., Shi, W., Xie, H., Zhang, T., Wang, N., Tang, Z., … Sheng, P. (2010). 1D goes 2D: A Berezinskii-Kosterlitz-Thouless transition in superconducting arrays of 4-Angstrom carbon nanotubes. Physica Status Solidi (b), 247(11-12), 2968–2973. doi:10.1002/pssb.201000151
    Publisher
    Wiley
    Journal
    physica status solidi (b)
    DOI
    10.1002/pssb.201000151
    arXiv
    0908.2150
    Additional Links
    http://arxiv.org/abs/arXiv:0908.2150v1
    http://arxiv.org/pdf/0908.2150
    ae974a485f413a2113503eed53cd6c53
    10.1002/pssb.201000151
    Scopus Count
    Collections
    Articles; Imaging and Characterization Core Lab; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program

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