Gang Chen

Publications493
h-index105
Citations41,457
Highly Influential Citations672
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High-Thermoelectric Performance of Nanostructured Bismuth Antimony Telluride Bulk Alloys
TLDR
Electrical transport measurements, coupled with microstructure studies and modeling, show that the ZT improvement is the result of low thermal conductivity caused by the increased phonon scattering by grain boundaries and defects, which makes these materials useful for cooling and power generation.
A Specialized Forebrain Circuit for Vocal Babbling in the Juvenile Songbird
TLDR
Subsong production in zebra finches does not require HVC, a key premotor area for singing in adult birds, but does require LMAN, a forebrain nucleus involved in learning but not in adult singing, which indicates juvenile singing is driven by a circuit distinct from that which produces the adult behavior.
Bulk nanostructured thermoelectric materials: current research and future prospects
Thermoelectrics have long been recognized as a potentially transformative energy conversion technology due to their ability to convert heat directly into electricity. Despite this potential,…
A Benchmark Study on the Thermal Conductivity of Nanofluids
This article reports on the International Nanofluid Property Benchmark Exercise, or INPBE, in which the thermal conductivity of identical samples of colloidally stable dispersions of nanoparticles or…
Enhanced thermoelectric figure of merit in nanostructured n-type silicon germanium bulk alloy
The dimensionless thermoelectric figure of merit (ZT) of the n-type silicon germanium (SiGe) bulk alloy at high temperature has remained at about one for a few decades. Here we report that by using a…
Heat transport in silicon from first-principles calculations
Using harmonic and anharmonic force constants extracted from density functional calculations within a supercell, we have developed a relatively simple but general method to compute thermodynamic and…
Ballistic-Diffusive Equations for Transient Heat Conduction From Nano to Macroscales
We present the derivation of a new type of heat conduction equations, named as the ballistic-diffusive equations, that are suitable for describing transient heat conduction from nano to macroscale.…
Simulation of Nanoscale Multidimensional Transient Heat Conduction Problems Using Ballistic-Diffusive Equations and Phonon Boltzmann Equation
Heat conduction. in micro- and nanoscale and in ultrafast processes may deviate from the predictions of the Fourier law, due to boundary and interface scattering, the ballistic nature of the…
Enhanced thermoelectric figure-of-merit in nanostructured p-type silicon germanium bulk alloys.
A dimensionless thermoelectric figure-of-merit (ZT) of 0.95 in p-type nanostructured bulk silicon germanium (SiGe) alloys is achieved, which is about 90% higher than what is currently used in space…
Hydrodynamic phonon transport in suspended graphene.
TLDR
It is predicted on the basis of first-principles calculations that the hydrodynamic phonon transport can occur in suspended graphene at significantly higher temperatures and wider temperature ranges than in bulk materials.
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