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Spin exchange interaction with tunable range between graphene quantum dots
Spin exchange interaction tunable graphene quantum dots
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2010/11/22
We study the spin exchange between two electrons localized in separate quantum dots in graphene.The electronic states in the conduction band are coupled indirectly by tunneling to a common continuum o...
Double quantum dot with tunable coupling in an enhancement-mode silicon metal-oxide semiconductor device with lateral geometry
Double quantum dot enhancement-mode silicon lateral geometry
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2010/11/17
We present transport measurements of a tunable silicon metal-oxide-semiconductor double quantum dot device with lateral geometry. Experimentally extracted gate-to-dot capacitances show that the device...