2008
DOI: 10.1088/0953-8984/20/9/095209
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Resistance of copper nanowires and comparison with carbon nanotube bundles for interconnect applications using first principles calculations

Abstract: We have studied the electronic properties and the band structure of copper nanowires for various diameters using first principles density functional methods and a supercell approach. The resistances of copper nanowires were computed on the basis of the Landauer formalism and compared with those obtained from an empirical approach. The fundamental resistances of small copper nanowires (∼60 nm diameter) are found to be larger than those predicted by Ohm's law. In parallel, we have computed the fundamental resist… Show more

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Cited by 69 publications
(41 citation statements)
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“…20 The set and reset voltages of the metallic switching can be higher than those of the ionic switching, since the formation of the metallic filament might require a higher electric field or voltage than the ionic SCLC filament. 15,16 During the reset process, the rupture of the metallic filament is generally due to local heating 10,16,[21][22][23] with no polarity, which is consistent with the nonpolar RESET1 or RESET3 operations in Fig. 2͑b͒.…”
Section: Multilevel Resistive Switching With Ionic and Metallic Filamsupporting
confidence: 65%
“…20 The set and reset voltages of the metallic switching can be higher than those of the ionic switching, since the formation of the metallic filament might require a higher electric field or voltage than the ionic SCLC filament. 15,16 During the reset process, the rupture of the metallic filament is generally due to local heating 10,16,[21][22][23] with no polarity, which is consistent with the nonpolar RESET1 or RESET3 operations in Fig. 2͑b͒.…”
Section: Multilevel Resistive Switching With Ionic and Metallic Filamsupporting
confidence: 65%
“…Along the longitudinal axis, the lattice exhibits translational symmetry and is long enough to consider the longitudinal electron wavenumber as a continuous value. Such type of energy spectrum may be evaluated by means of the tight-binding approximation (e.g., CNTs, [30]), or first principle calculations (e.g., copper NWs, [31]). …”
Section: A Modeling Nanoscale Interconnectsmentioning
confidence: 99%
“…As the total number of quantum conduction channels in parallel (N qc ) increases lin-early with the cross-section area of a conductor [44], then C q ∝ N qc under some assumptions [45], C q ∝ d 2 for high aspect ratio conductors (d is the characteristic diametrical size) and δ qC for cylinder-like nano-conductors is δ qC ∝ d. (15) So, unique possibility for significant increase of δ qC in carbon electrodes is the application of nanostructures with extended dimensionality, e.g. bundles of metallic SWCNTs instead of 1D nanowires.…”
Section: Quantum Capacitance Of Advanced Carbon Electrode Nanostructuresmentioning
confidence: 99%
“…Advanced carbon nanostructures are considered [43][44][45]50] as a future of nanoelectronics beyond 22-nm technology node (2016). Micron-sized carbon-based integrated on chip nanoionic SCs [1,5] as well as the surface mount high-capacity SCs [6,51] for portable electronics may be well compatible with future nanoelectronics technologies.…”
Section: Quantum Capacitance Of Advanced Carbon Electrode Nanostructuresmentioning
confidence: 99%