Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7960892 | Computational Materials Science | 2014 | 4 Pages |
Abstract
Using valence bond theory in combination with a master equation technique, we have investigated the electron transport properties of benzene-based coulomb blockade devices. The results show that the benzene molecule undergoes a Jahn-Teller distortion when ionized, which lifts the state degeneracy. The lifted degenerate states couple differently to the left and right electrodes, leading to negative differential resistance. This type of negative differential resistance involves the Jahn-Teller effect and symmetry-breaking, which provides a way to design coulomb blockade devices with negative differential resistance behavior.
Related Topics
Physical Sciences and Engineering
Engineering
Computational Mechanics
Authors
Huahu Ying, Wu-Xing Zhou, Ke-Qiu Chen, Guanghui Zhou,