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Article Dans Une Revue Physical Review B: Condensed Matter and Materials Physics (1998-2015) Année : 2011

Cotunneling through a magnetic single-molecule transistor based on N@C-60

Nicolas Roch
Florian Elste
  • Fonction : Auteur
Wolfgange Harneit
  • Fonction : Auteur
Carsten Timm
  • Fonction : Auteur
Franck Balestro

Résumé

We present an experimental and theoretical study of a magnetic single-molecule transistor based on N@C-60 connected to gold electrodes. Particular attention is paid to the regime of intermediate molecule-lead coupling, where cotunneling effects manifest themselves in the Coulomb-blockade regime. The experimental results for the differential conductance as a function of bias, gate voltage, and external magnetic field are in agreement with our analysis of the tunneling rates and provide evidence of magnetic signatures in single-N@C-60 devices arising from an antiferromagnetic exchange interaction between the C-60 spin and the nitrogen spin.
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Dates et versions

hal-00978469 , version 1 (07-04-2022)

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Nicolas Roch, Romain Vincent, Florian Elste, Wolfgange Harneit, Wolfgang Wernsdorfer, et al.. Cotunneling through a magnetic single-molecule transistor based on N@C-60. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2011, 83 (8), pp.081407(R). ⟨10.1103/PhysRevB.83.081407⟩. ⟨hal-00978469⟩

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