2005
DOI: 10.1103/physrevlett.95.066802
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Abstract: The percolating conductance of a new class of nanocomposite thin-film transistors, with channels composed of isotropic ensembles of nanotubes or nanowires, is analyzed as a function of wire/tube density and channel length. The conductance exponents are validated against analytical results for short channel transistors, and against available experimental data for longer channel devices. Our plots of conductance exponents as a function of tube-to-tube coupling strength provide a unified framework to interpret fu… Show more

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Cited by 237 publications
(230 citation statements)
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“…16 The distribution of Ag nanowire lengths and diameters determined from SEM images is shown in Figure 3a. The average length is L avg ) 8.7 µm, and the average diameter is d avg ) 103 nm.…”
Section: Nano Lettersmentioning
confidence: 99%
“…16 The distribution of Ag nanowire lengths and diameters determined from SEM images is shown in Figure 3a. The average length is L avg ) 8.7 µm, and the average diameter is d avg ) 103 nm.…”
Section: Nano Lettersmentioning
confidence: 99%
“…[15,24] In fact, for longer channel devices, where LC > LS, high current ON/OFF ratio could be reached even with a small percentage of residual metallic carbon nanotubes (CNTs), as long as they do not form percolating pathways across the channel resulting to electrical shorts between the source and drain electrodes. This can be achieved by keeping the surface density of residual metallic SWNTs as low as possible and ideally below the percolation threshold.…”
Section: Introductionmentioning
confidence: 99%
“…The high resistance and variability discussed in Section 2 primarily reflects the influence of the junctions on carrier conduction. Although analytical theory is not available, computational models of stick percolation can consistently interpret the related data [38][39][40]47]. …”
Section: Percolation In Agnw and Cnt Nanonetmentioning
confidence: 99%
“…where the density-dependent exponent m changes from 1.9 (at ρ ∼ ρc) to 1 (at ρ ≫ ρc) [38][39][40]. Here, ρs is the average sheet resistivity and Lc is the critical length.…”
Section: Percolation In Agnw and Cnt Nanonetmentioning
confidence: 99%
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