Geometry-guided flux behaviour in superconducting Pb microcrystals

Miles Engbarth, M V Miloevic, Simon J Bending, F Nasirpouri

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Electrochemistry offers highly flexible routes to fabrication of a wide variety of mesostructures, including three-dimensional (3D) crystallites, thin films and nanowires. Using this method we have grown various 3D superconducting Pb mesostructures with vastly different morphologies. We present here results on a truncated(half)-icosahedron with a hexagonal base and a tripod structure with a triangular base. Using Hall probe magnetometry we have obtained magnetisation curves for these structures at several temperatures and see evidence of geometry-driven flux entry and exit as well as flux trapping caused by specific sample geometries. We also observe behaviour that we interpret in terms of the formation of giant vortices, bearing in mind that bulk Pb is a type-I superconducting material.
Original languageEnglish
Article number052048
JournalJournal of Physics: Conference Series
Volume150
Issue number5
DOIs
Publication statusPublished - 2009

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microcrystals
tripods
electrochemistry
geometry
entry
crystallites
magnetic measurement
nanowires
trapping
routes
vortices
magnetization
fabrication
probes
curves
thin films
temperature

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Geometry-guided flux behaviour in superconducting Pb microcrystals. / Engbarth, Miles; Miloevic, M V; Bending, Simon J; Nasirpouri, F.

In: Journal of Physics: Conference Series, Vol. 150, No. 5, 052048, 2009.

Research output: Contribution to journalArticle

Engbarth, Miles ; Miloevic, M V ; Bending, Simon J ; Nasirpouri, F. / Geometry-guided flux behaviour in superconducting Pb microcrystals. In: Journal of Physics: Conference Series. 2009 ; Vol. 150, No. 5.
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