Kondo Resonances and Anomalous Gate Dependence in the Electrical Conductivity of Single-Molecule Transistors

2005/05/31 by Lu Yu, L. H. Yu, Z.K. Keane +13 · 4 citations
Engineering · Physics and Astronomy · #Advancements in Semiconductor Devices and Circuit Design #Molecular Junctions and Nanostructures #Quantum and electron transport phenomena #cond-mat.mes-hall

paper · pdf · doi:10.1103/physrevlett.95.256803

published as Phys. Rev. Lett. 95, 256803 (2005) · 5 pages, four figures. Supplementary material at http://www.ruf.rice.edu/~natelson/publications.html

arxiv created 2005/12/14 · openalex publication_date 2005/12/14 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/01

Abstract

We report Kondo resonances in the conduction of single-molecule transistors based on transition metal coordination complexes. We find Kondo temperatures in excess of 50 K, comparable to those in purely metallic systems. The observed gate dependence of the Kondo temperature is inconsistent with observations in semiconductor quantum dots and a simple single-dot-level model. We discuss possible explanations of this effect, in light of electronic structure calculations.

Citations

• Inelastic Electron Tunneling via Molecular Vibrations in Single-Molecule Transistors
• Many Body Effects on the Transport Properties of Single-Molecule Devices
• Quantum transport through a deformable molecular transistor
• Scaling Theory of the Asymmetric Anderson Model
• Resistance Minimum in Dilute Magnetic Alloys
• The Kondo Effect in C60 Single-Molecule Transistors

Cited by

• Electron-phonon correlation effects in molecular transistors
• Spin-charge separation and simultaneous spin and charge Kondo effect
• Amine-linked single-molecule circuits: systematic trends across molecular families
• Enhanced Kondo Effect in an Electron System Dynamically Coupled with Local Optical Phonon