Kondo effect in organometallic complexes with vibrating ligand shells

M. N. Kiselev, K. Kikoin, M. R. Wegewijs

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We investigate transport through a mononuclear rare-earth metal-organic shell complex with strong tunnel coupling between the shell and two electrodes. The ground state of this molecule is a singlet while the first excited state is a triplet. We show that modulation of the tunnel barrier due to a molecular distortion which couples to the tunneling induces the Kondo effect, provided the discrete vibrational energy compensates the singlet/triplet gap. We discuss also the possibility of tuning the phonon-induced Kondo tunneling by external magnetic field and the finite bias Kondo anomaly.

Original languageEnglish
Pages (from-to)2414-2416
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Volume310
Issue number2 SUPPL. PART 3
DOIs
StatePublished - 1 Mar 2007

Keywords

  • Kondo effect
  • Molecular transistor
  • Singlet/triplet transition

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