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Spin-coupled Double-quantum-dot Behavior Inside a Single-molecule Transistor by Bernand-Mantel, A.; Seldenthuis, J. S.; Beukman, A.; van der Zant, H. S. J.; Meded, V.; Chandrasekhar, R.; Fink, K.; Ruben, M.; Evers, F. is a scholarly article available to read on EtoBox.

What is Spin-coupled Double-quantum-dot Behavior Inside a Single-molecule Transistor about?

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.

Author

Bernand-Mantel, A.; Seldenthuis, J. S.; Beukman, A.; van der Zant, H. S. J.; Meded, V.; Chandrasekhar, R.; Fink, K.; Ruben, M.; Evers, F.

Published

2010

Language

EN