The topological transition from a Corbino to Hall bar geometry

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DOIResolve DOI: http://doi.org/10.1006/spmi.1996.0128
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TypeArticle
Journal titleSuperlattices and Microstructures
Volume20
Issue4
Pages651656; # of pages: 6
AbstractWe have fabricated a device which can be transformed from a Corbino to a two terminal Hall bar geometry by the activation of a single electrostatic gate. The behaviour in the Hall bar mode is both quantitatively and qualitatively in disagreement with predictions of the Landauer-Buttiker formula. The origin of the disagreement relates to the 'ideal contact' assumption implicit in the Landauer-Buttiker formula which breaks down under the novel conditions of this experiment.
Publication date
AffiliationNational Research Council Canada; NRC Institute for Microstructural Sciences
Peer reviewedNo
NPARC number12327255
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Record identifierb7e48d32-cdd5-49d3-a9f0-c6de1227b5fe
Record created2009-09-10
Record modified2016-05-09
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