Spin-blockade spectroscopy of a two-level artificial molecule

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DOIResolve DOI: http://doi.org/10.1103/PhysRevLett.91.026803
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TypeArticle
Journal titlePhysical Review Letters
Volume91
Issue2
Pages26803
AbstractCoulomb- and spin-blockade spectroscopy investigations have been performed on an electrostatically defined “artificial molecule” connected to spin polarized leads. The molecule is first effectively reduced to a two-level system by placing both constituent atoms at a specific location of the level spectrum. The spin sensitivity of the conductance enables us to identify the electronic spin states of the two-level molecule. We find in addition that the magnetic field induces variations in the tunnel coupling between the two atoms. The lateral nature of the device is evoked to explain this behavior.
Publication date
AffiliationNational Research Council Canada; NRC Institute for Microstructural Sciences
Peer reviewedNo
NPARC number12744343
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Record identifier1af3c6c6-c969-427d-86db-a2366ff00475
Record created2009-10-27
Record modified2016-05-09
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