Collective insulating state at zero magnetic field in a dilute 2D electron system

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DOIResolve DOI: http://doi.org/10.1016/0039-6028(94)90869-9
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TypeArticle
Journal titleSurface Science
Volume305
Issue1-3
Pages115119; # of pages: 5
AbstractWe present experimental evidence for the low temperature collective insulator state which sets in upon lowering the electron density at zero magnetic field in high mobility Si-inversion layers. Data on temperature activated and threshold electric field dependent dc conduction are fitted well by a model of transport in a Wigner solid provided by the motion of dislocation pairs. We report weak narrowband noise with a current dependent frequency spectrum on a background of broadband noise.
Publication date
AffiliationNational Research Council Canada; NRC Institute for Microstructural Sciences; NRC Institute for National Measurement Standards
Peer reviewedNo
NPARC number12327714
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Record identifiercbc7f7b0-395e-43cc-bda9-9516748c627c
Record created2009-09-10
Record modified2016-05-09
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