Title: Superconductivity in Pb cluster assembled systems with different degrees of coagulation
Authors: Cuppens, Jo
Romero Vieyra, Christian
Lievens, Peter
Van Bael, Margriet # ×
Issue Date: Feb-2010
Publisher: Amer physical soc
Series Title: Physical review b vol:81 issue:6
Article number: 064517
Abstract: Superconducting properties are observed and investigated in Pb nanogranular systems prepared by deposition of clusters produced in a laser vaporization cluster source. Different morphologies were achieved by controlling the degree of coagulation via the substrate temperature and the magnetic response of these systems was studied. Deposition on substrates at temperatures above 200 degrees C results in an ensemble of weakly coupled islands showing superconducting confinement effects. Cluster deposition on cooled substrates limits the coagulation and results in cluster assembled thin films with strong intergrain coupling. This method provides a unique way to produce systems with very high flux pinning leading to avalanche effects.
ISSN: 1098-0121
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
× corresponding author
# (joint) last author

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