Spin-coupled double-quantum-dot behavior inside a single-molecule transistor
Mesoscale and Nanoscale Physics
2010-04-27 v1
Abstract
We report on the observation of Kondo and split Kondo peaks in single-molecule transistors containing a single spin transition molecule with a Fe2+ ion. Coulomb blockade characteristics reveal a double quantum dot behavior in a parallel configuration, making our system a molecular equivalent to a semiconducting double-quantum-dot system. As the gate voltage is increased the charging of the second dot by an additional electron induces a splitting of the Kondo peak. We discuss possible origins of this effect including a spin transition into a high-spin state.
Cite
@article{arxiv.1004.4556,
title = {Spin-coupled double-quantum-dot behavior inside a single-molecule transistor},
author = {A. Bernand-Mantel and J. S. Seldenthuis and A. Beukman and H. S. J. van der Zant and V. Meded and R. Chandrasekhar and K. Fink and M. Ruben and F. Evers},
journal= {arXiv preprint arXiv:1004.4556},
year = {2010}
}