 Current dependent reorganization in superconducting Y 1 Ba 2 Cu 3 O 7-δA. Kiliç (), K. Kiliç, H. Yetiş and O. Çetin The European Physical Journal B: Condensed Matter and Complex Systems, 2005, vol. 46, issue 2, 177-186 Abstract: We present strong non-linear dynamic responses developing due to magnitude and type of driving current in bulk polycrystalline superconducting Y 1 Ba 2 Cu 3 O 7-δ sample at zero magnetic field. Several novel types of dynamic changes induced by the transport current were observed via the time evolution of the voltage (V - t curves). The physical observations appearing in V - t curves were interpreted mainly with the reorganization of driving current in a multiply connected network of weak-link structure. It was found that such a dynamic process could cause an enhancement or suppression in superconducting order parameter due to the magnitude of the driving current and coupling strength of weak link structure together with the chemical and anisotropic states of the sample. It was shown that the general behavior of decays evolving in V - t curves is consistent with an exponential relation which is analogous to the glassy state relaxation. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2005 Date: 2005 Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:spr:eurphb:v:46:y:2005:i:2:p:177-186 Ordering information: This journal article can be ordered from DOI: 10.1140/epjb/e2005-00225-1 Access Statistics for this article The European Physical Journal B: Condensed Matter and Complex Systems is currently edited by P. Hänggi and Angel Rubio More articles in The European Physical Journal B: Condensed Matter and Complex Systems from Springer, EDP Sciences |
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