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Colloquium: Heat flow and thermoelectricity in atomic and molecular junctions
Advances in the fabrication and characterization of nanoscale systems now allow for a better
understanding of one of the most basic issues in science and technology: the flow of heat at …
understanding of one of the most basic issues in science and technology: the flow of heat at …
Phonon transport in nanowires coated with an amorphous material: An atomistic Green's function approach
An approach is presented for the atomistic study of phonon transport in real dielectric
nanowires via Green's functions. The formalism is applied to investigate the phonon flow …
nanowires via Green's functions. The formalism is applied to investigate the phonon flow …
Anharmonic phonon flow through molecular-sized junctions
A general many-body nonequilibrium Green's function approach for interacting phonons is
developed, and applied to study the thermal conductance of an anharmonic molecular …
developed, and applied to study the thermal conductance of an anharmonic molecular …
Oligoyne molecular junctions for efficient room temperature thermoelectric power generation
Understanding phonon transport at a molecular scale is fundamental to the development of
high-performance thermoelectric materials for the conversion of waste heat into electricity …
high-performance thermoelectric materials for the conversion of waste heat into electricity …
Direct nanoscale imaging of ballistic and diffusive thermal transport in graphene nanostructures
We report direct imaging of nanoscale thermal transport in single and few-layer graphene
with approximately 50 nm lateral resolution using high vacuum scanning thermal …
with approximately 50 nm lateral resolution using high vacuum scanning thermal …
Phonon Transport in Isotope-Disordered Carbon and Boron-Nitride Nanotubes:<? format?> Is Localization Observable?
We present an ab initio study which identifies dominant effects leading to thermal
conductivity reductions in carbon and boron-nitride nanotubes with isotope disorder. Our …
conductivity reductions in carbon and boron-nitride nanotubes with isotope disorder. Our …
Nonequilibrium Green's function method for phonon-phonon interactions and ballistic-diffusive thermal transport
Phonon-phonon interactions are systematically studied by nonequilibrium Green's function
(NEGF) formalism in momentum space at finite temperatures. Within the quasiparticle …
(NEGF) formalism in momentum space at finite temperatures. Within the quasiparticle …
Effect of surface roughness on the universal thermal conductance
DH Santamore, MC Cross - Physical Review B, 2001 - APS
We explain the reduction of the thermal conductance below the predicted universal value
observed by Schwab et al.[Nature (London) 404, 974 (2000)] in terms of the scattering of …
observed by Schwab et al.[Nature (London) 404, 974 (2000)] in terms of the scattering of …
Effect of phonon scattering by surface roughness on the universal thermal conductance
DH Santamore, MC Cross - Physical review letters, 2001 - APS
The effect of phonon scattering by surface roughness on the thermal conductance in
mesoscopic systems at low temperatures is calculated using full elasticity theory. The low …
mesoscopic systems at low temperatures is calculated using full elasticity theory. The low …
[HTML][HTML] Enhancing the thermoelectric figure of merit in engineered graphene nanoribbons
We demonstrate that thermoelectric properties of graphene nanoribbons can be dramatically
improved by introducing nanopores. In monolayer graphene, this increases the electronic …
improved by introducing nanopores. In monolayer graphene, this increases the electronic …