News and Views
Nature Nanotechnology 2, 538 - 539 (2007)
doi:10.1038/nnano.2007.284
Subject Category: Electronic properties and devices
Superconducting devices: Cooling electrons one by one
Silvano De Franceschi1 & Natalio Mingo1
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Silvano De Franceschi and Natalio Mingo are at the Commissariat à l'Énergie Atomique, 17 rue des Martyrs, 38054 Grenoble, France.
e-mail: silvano.defranceschi@cea.fr
e-mail: natalio.mingo@cea.fr
Abstract
A nanoscale superconducting device in which the flow of heat can be switched on and off by a gate voltage — a heat transistor — has been demonstrated at temperatures close to absolute zero.
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