Vortex lattice symmetry break in nanostructured Nb thin films

Vortex lattice symmetry break in nanostructured Nb thin films

An advanced mask-less nanofabrication technique, focused electron beam-induced deposition (FEBID), has been employed on epitaxial Nb thin films for their ferromagnetic decoration by an array of Co stripes. These substantially modify the non-patterned films' superconducting properties, providing...

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Veröffentlicht in:arXiv.org 2011-01
Hauptverfasser: Dobrovolskiy, Oleksandr V, Begun, Evgeniya, Huth, Michael, Shklovskij, Valerij A, Tsindlekht, Menachem I
Format: Artikel
Sprache:eng
Schlagworte:
Electron beams
Ferromagnetic materials
Lattice matching
Nanofabrication
Nickel
Niobium
Pinning
Thin films
Vortices
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Zusammenfassung:An advanced mask-less nanofabrication technique, focused electron beam-induced deposition (FEBID), has been employed on epitaxial Nb thin films for their ferromagnetic decoration by an array of Co stripes. These substantially modify the non-patterned films' superconducting properties, providing a washboard-like pinning potential landscape for the vortex motion. At small magnetic fields B
ISSN:2331-8422