Colloquium: Heat flow and thermoelectricity in atomic and molecular junctions

Y Dubi, M Di Ventra - Reviews of Modern Physics, 2011‏ - APS
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 …

Phonon transport in nanowires coated with an amorphous material: An atomistic Green's function approach

N Mingo, L Yang - Physical Review B, 2003‏ - APS
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 …

Anharmonic phonon flow through molecular-sized junctions

N Mingo - Physical Review B—Condensed Matter and Materials …, 2006‏ - APS
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 …

Oligoyne molecular junctions for efficient room temperature thermoelectric power generation

H Sadeghi, S Sangtarash, CJ Lambert - Nano letters, 2015‏ - ACS Publications
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 …

Direct nanoscale imaging of ballistic and diffusive thermal transport in graphene nanostructures

ME Pumarol, MC Rosamond, P Tovee, MC Petty… - Nano …, 2012‏ - ACS Publications
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 …

Phonon Transport in Isotope-Disordered Carbon and Boron-Nitride Nanotubes:<? format?> Is Localization Observable?

I Savić, N Mingo, DA Stewart - Physical review letters, 2008‏ - APS
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 …

Nonequilibrium Green's function method for phonon-phonon interactions and ballistic-diffusive thermal transport

Y Xu, JS Wang, W Duan, BL Gu, B Li - Physical Review B—Condensed Matter …, 2008‏ - APS
Phonon-phonon interactions are systematically studied by nonequilibrium Green's function
(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 …

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 …

[HTML][HTML] Enhancing the thermoelectric figure of merit in engineered graphene nanoribbons

H Sadeghi, S Sangtarash… - Beilstein journal of …, 2015‏ - beilstein-journals.org
We demonstrate that thermoelectric properties of graphene nanoribbons can be dramatically
improved by introducing nanopores. In monolayer graphene, this increases the electronic …