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Conduction switching behaviors of a small molecular device
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10.1063/1.3331928
/content/aip/journal/jap/107/6/10.1063/1.3331928
http://aip.metastore.ingenta.com/content/aip/journal/jap/107/6/10.1063/1.3331928
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The sketch of our models in studies, (a) models , consisting of three -stacked benzene rings and two Au electrodes, (b) Model , (c) model , and (d) model , formed from rotations of the mid-benzene ring in model by 90° about -, -, and -axes, respectively.

Image of FIG. 2.
FIG. 2.

The curves of models , , , and . The curves of models and have a distinct growth but the models and are nearly nonconducting.

Image of FIG. 3.
FIG. 3.

The transmission spectrums of models and at a bias of 2.4 V, and models and at a bias of 2.2 V. Biases here correspond to voltages at which electron resonant tunneling occurs for these four models. The dotted lines indicate a bias window.

Image of FIG. 4.
FIG. 4.

The distribution of transmission coefficient in the 2D Brillouin zone for the HOMO level of four models, (a) for model at a bias of 2.4 V, (b) for model at a bias of 2.2 V, (c) for model at a bias of 2.2 V, and (d) for model at a bias of 2.4 V.

Image of FIG. 5.
FIG. 5.

The transmission eigenstates of the HOMO levels for the four models at a bias of electron resonant tunneling in the real space. Each eigenstate has four eigenchannels, numbered as No. 1,2,3,4. (A-1) to (A-4), (X-1) to (X-4), (Y-1) to (Y-4), and (Z-1) to (Z-4) correspond to models , , , and , respectively.

Image of FIG. 6.
FIG. 6.

The calculated curves of the energy increment as a function of the rotating angle of the mid-benzene ring from 0° to 180° in model , , , and .

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/content/aip/journal/jap/107/6/10.1063/1.3331928
2010-03-16
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Conduction switching behaviors of a small molecular device
http://aip.metastore.ingenta.com/content/aip/journal/jap/107/6/10.1063/1.3331928
10.1063/1.3331928
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