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Vortex solid-to-liquid transition in DyBa2Cu3O7-delta/(Y0.45Pr0.55)Ba2Cu3O7-delta multilayers
Dept. de la Matière Condensée, University of Geneva, Geneva.ORCID iD: 0000-0002-9858-6235
Dept. de la Matière Condensée, University of Geneva, Geneva.
Dept. de la Matière Condensée, University of Geneva, Geneva.
Dept. de la Matière Condensée, University of Geneva, Geneva.
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1996 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 54, no 1, 675-681 p.Article in journal (Refereed) Published
Abstract [en]

Current-voltage (I-V) characteristics of a coupled multilayer system consisting of thin (24 Angstrom) superconducting layers of DyBa2Cu3O7-delta each separated by 96 Angstrom of (Y0.45Pr0.55)Ba2Cu3O7-delta have been studied in the mixed state. Analyses of vortex glass scaling and signs of the clean system melting transition in the dynamics of our multilayers both suggest that the vortex system is close to three-dimensional for magnetic fields up to several T. Therefore, the theoretically predicted crossover when in-plane vortex correlations become more important than out-of-plane vortex correlations (occurring at a few tenths of a T in our multilayers) does not correspond to a complete decoupling of the superconducting layers in these materials.

Place, publisher, year, edition, pages
1996. Vol. 54, no 1, 675-681 p.
Keyword [en]
SINGLE-CRYSTAL YBA2CU3O7, HIGH-TC SUPERCONDUCTORS, MELTING TRANSITION, RESISTIVITY, CROSSOVER, STATE
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-49995DOI: 10.1103/PhysRevB.54.675ISI: A1996UW59600098OAI: oai:DiVA.org:kth-49995DiVA: diva2:460869
Available from: 2011-12-01 Created: 2011-12-01 Last updated: 2017-12-08Bibliographically approved

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Andersson, Magnus

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