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Proceedings Paper

Long-range phase coherence in YBCO ultrathin films
Author(s): Marco Aprili; Jerome Lesueur; W. A. Quinton; Louis Dumoulin
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Paper Abstract

We have investigated the resistive transition of YBCO ultra- thin films (thickness from 5 to 50 nm) grown on MgO(100). The amount of disorder increases as the thickness is reduced, leading to a broad transition that can be described using a 3D weakly-coupled Josephson array. Below a critical thickness, this regime seems to dominate even the fluctuating part of the transition (paraconductive region), when the system undergoes a 3D-0D transition.

Paper Details

Date Published: 5 July 1996
PDF: 4 pages
Proc. SPIE 2697, Oxide Superconductor Physics and Nano-Engineering II, (5 July 1996); doi: 10.1117/12.250273
Show Author Affiliations
Marco Aprili, CSNSM CNRS (France)
Jerome Lesueur, CSNSM CNRS (France)
W. A. Quinton, Imperial College (United Kingdom)
Louis Dumoulin, CSNSM CNRS (France)


Published in SPIE Proceedings Vol. 2697:
Oxide Superconductor Physics and Nano-Engineering II
Ivan Bozovic; Davor Pavuna, Editor(s)

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