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Determining a temperature differential across a quantum dot

  • E. A. Hoffmann
  • N. Nakpathomkun
  • Ann Persson
  • Henrik Nilsson
  • Lars Samuelson
  • H. Linke
Publiceringsår: 2008
Språk: Engelska
Sidor: 1605-1607
Publikation/Tidskrift/Serie: Physica E: Low-dimensional Systems and Nanostructures
Volym: 40
Nummer: 5
Dokumenttyp: Artikel
Förlag: Elsevier B.V.


We present a method for determining a temperature differential across a quantum dot. If the device has a transmission function with sufficiently spaced resonant energies, then one can distinguish electrons which have tunneled from the hot lead, and those which have tunneled from the cold lead. By measuring the thermocurrent as the electrochemical potential is swept through a resonant energy level, information about the transmission function obtained from conductance measurements can be used to deduce the temperature differential of the electron gas across the device. (C) 2007 Elsevier B.V. All rights reserved.



  • Condensed Matter Physics
  • thermometry
  • thermoelectrics
  • quantum dot


  • ISSN: 1386-9477

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