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A computationally efficient method for calculating the maximum conductance of disordered networks: Application to one-dimensional conductors
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10.1063/1.3514007
/content/aip/journal/jap/108/10/10.1063/1.3514007
http://aip.metastore.ingenta.com/content/aip/journal/jap/108/10/10.1063/1.3514007
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Scanning electron microscope image of a silver NW film, showing the disordered complex network. Courtesy of J. N. Coleman, Trinity College, Dublin.

Image of FIG. 2.
FIG. 2.

Schematic representation of the system. The scattering region C contains the disordered array of finite NWs. Each perfect lead L and R contain several independent semi-infinite wires. On the upper panel the vertical line indicates the location of the cleavage plane through which the conductance is calculated.

Image of FIG. 3.
FIG. 3.

Conductance at a fixed energy as a function of the connectivity of the network. Electronic transmission increases as more conducting paths become available. Legends indicate total number of wires. The length of the wires is fixed at , and there are connections to each electrode. Data averaged over 1000 independent configurations.

Image of FIG. 4.
FIG. 4.

Network conductance as a function of the number of connections to electrodes, . Inset: slope of the linear-fitted lines increases with the network connectivity , toward a saturation point. Data are for and , averaged over at least 200 independent configurations.

Image of FIG. 5.
FIG. 5.

Network conductance as a function of interwire/intrawire coupling ratio. Maximum conductance is obtained around . , , , , and 1000 independent configurations. Inset: Conductance of two semi-infinite chains connected by a hopping .

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/content/aip/journal/jap/108/10/10.1063/1.3514007
2010-11-30
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A computationally efficient method for calculating the maximum conductance of disordered networks: Application to one-dimensional conductors
http://aip.metastore.ingenta.com/content/aip/journal/jap/108/10/10.1063/1.3514007
10.1063/1.3514007
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