2004
DOI: 10.1080/10407790490487514
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Equilibrium Molecular Dynamics Study of Phonon Thermal Transport in Nanomaterials

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Cited by 18 publications
(8 citation statements)
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“…It is seen that with increasing nanograin size, the thermal conductivity increases. Compared with our previous result for freestanding nanoparticles consisting of single crystals, 24 it is found that the thermal conductivity of nanocrystalline materials is a little larger than that of nanoparticles with the same characteristic size. The possible reason is that the nanograins in the nanocrystalline materials under study are not exactly spheres, but close to cubes.…”
Section: -5contrasting
confidence: 87%
See 1 more Smart Citation
“…It is seen that with increasing nanograin size, the thermal conductivity increases. Compared with our previous result for freestanding nanoparticles consisting of single crystals, 24 it is found that the thermal conductivity of nanocrystalline materials is a little larger than that of nanoparticles with the same characteristic size. The possible reason is that the nanograins in the nanocrystalline materials under study are not exactly spheres, but close to cubes.…”
Section: -5contrasting
confidence: 87%
“…where d is the nanograin size and k 0 is the thermal conductivity of bulk argon. In this work, k 0 takes the value of 0.55 W / m K based on our previous MD work on thermal transport in nanoscale argon at 30 K. 24 It needs to be pointed out that Eq. ͑13͒ is derived from Fourier's law.…”
Section: -5mentioning
confidence: 99%
“…Secondly, because of the large surface to volume ratio, boundary scattering in quasi-1D structures is also significant. More experimental and theoretical activities have been inspired to explore this direction, including the theoretical prediction of the thermal conductivity of Ge nanowires, 70 molecular dynamics simulation of nanofilms, 71 and experimental measurement of the thermal conductivity of Si/SiGe superlattice nanowires. 72 The low temperature (<2 K) thermal conductance of individual suspended SiNWs was measured by Bourgeois et al 73 Wang et al observed the pure phonon confinement effect in germanium nanowires by measurement of Raman spectra for different size germanium nanowires with different excitation laser powers and wavelengths.…”
Section: Doping Effects On Thermal Conductivity and Thermoelectric Fimentioning
confidence: 99%
“…Through molecular dynamics simulation, boundaries strongly constrain the movement of phonons in thin film, wire, and nanoparticle [17]. Atomistic Green's function method, moreover, is derived to simulate sophisticated atomic structures [18].…”
Section: Introductionmentioning
confidence: 99%