Thermal Boundary Conductance between Multi-Walled Carbon Nanotubes
نویسندگان
چکیده
منابع مشابه
Thermal conductance of the junction between single-walled carbon nanotubes
The thermal conductances of the carbon nanotube (CNT) junctions that would be found in a CNT aerogel are predicted using molecular dynamics simulations. At a temperature of 300 K, the thermal conductance of a perpendicular junction converges to 40 pW/K as the CNT lengths approach 100 nm. The key geometric parameter affecting the thermal conductance is the angle formed by the two CNTs. At pressu...
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Electrical transport properties of individual metallic double-walled carbon nanotubes (DWCNTs) were measured down to liquid helium temperature, and multi-stable conductance states were found in DWCNTs. At a certain temperature, DWCNTs can switch continuously between two or more electronic states, but below certain temperature, DWCNTs are stable only at one of them. The temperature for switching...
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Abstract Thermal boundary resistance (TBR) between a single-walled carbon nanotube (SWNT) and matrices of solid and liquid argon was investigated by performing classical molecular dynamics simulations. Thermal boundary conductance (TBC), i.e. inverse of TBR, was quantified for a range of nanotube lengths by applying a pico-second heat pulse to the SWNT and observing the relaxation. The SWNT-len...
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The scaling down of feature size in electronics and nanodevices leads to increased concentration of heat. Management of the heat dissipation is currently the biggest limitation in building smaller and faster processors. Being motivated by a new use for carbon nanotubes as heat fins to cool nanosystems, this thesis aims to investigate the thermal boundary conductance between nanotubes and the su...
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We have measured the temperature-dependent thermal conductivity k(T) of crystalline ropes of singlewalled carbon nanotubes from 350 K to 8 K. k(T) decreases smoothly with decreasing temperature, and displays linear temperature dependence below 30 K. Comparison with electrical conductivity experiments indicates that the room-temperature thermal conductivity of a single nanotube may be comparable...
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ژورنال
عنوان ژورنال: Journal of Thermal Science and Technology
سال: 2012
ISSN: 1880-5566
DOI: 10.1299/jtst.7.190