Correlation Effects in Few-Electron Quantum Dots between n=2 and n=1

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DOIResolve DOI: http://doi.org/10.1016/S1386-9477(99)00223-4
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TypeArticle
Journal titlePhysica E: Low-dimensional Systems and Nanostructures
Volume6
Issue1-4
Pages461465; # of pages: 5
AbstractWe investigate correlation effects in few-electron lateral quantum dots between filling factor ν=2 and 1. The correlations are the non-trivial spin depolarization events associated with the evolution of the total spin of the droplet with increasing magnetic field. We monitor the spin evolution by measurements of coulomb blockade (CB) peaks on lateral quantum dot devices containing from 5 to 20 electrons. Measurements are made as a function of the magnetic field, temperature, and source–drain bias. The temperature and high source–drain bias dependence of the CB peaks in the vicinity of the spin-flip are consistent with spin depolarization events due to electronic correlations.
Publication date
AffiliationNational Research Council Canada; NRC Institute for Microstructural Sciences
Peer reviewedNo
NPARC number12744310
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Record identifier2afbab07-a569-4864-840e-b7b060385b57
Record created2009-10-27
Record modified2016-05-09
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