U. Wieser, U. Kunze, et al.
Physica E: Low-Dimensional Systems and Nanostructures
We have measured the dynamics of individual magnetic fluxoids entering and leaving photolithographically patterned thin film rings of the underdoped high-temperature superconductor Bi2Sr2CaCu2O8+δ, using a variable sample temperature scanning superconducting quantum interference device microscope. These results can be qualitatively described using a model in which the fluxoid number changes by thermally activated nucleation of a Pearl vortex in, and transport of the Pearl vortex across, the ring wall. © 2003 The American Physical Society.
U. Wieser, U. Kunze, et al.
Physica E: Low-Dimensional Systems and Nanostructures
J.H. Stathis, R. Bolam, et al.
INFOS 2005
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IEEE J-STARS
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Chemistry of Materials