Quasi-hexagonal vortex-pinning lattice using anodized aluminum oxide nanotemplates

X. Hallet, M. Mátéfi-Tempfli, S. Michotte, L. Piraux, J. Vanacken, V.V. Moshchalkov, Stefan Mátéfi-Tempfli

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Abstrakt

The bottom barrier layer of well-ordered nanoporous alumina membranes reveals a previously unexploited nanostructured template surface consisting of a triangular lattice of hemispherical nanoscale bumps. Quasi-hexagonal vortex-pinning lattice arrays are created in superconducting Nb films deposited onto this template (see image). Matching effects are preserved at higher magnetic fields and lower temperatures when compared to holes on the top face.
OriginalsprogEngelsk
TidsskriftSmall
Vol/bind5
Udgave nummer21
Sider (fra-til)2413-2416
Antal sider4
ISSN1613-6810
DOI
StatusUdgivet - 2. nov. 2009

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