activity
20172022
most citedObservation of second sound in graphite at temperatures above 100 K

297 citations · 695 across the 12 of their papers we have counts for

collaborators

12 papers

cond-mat.mes-hall2022

Isotope effect on the Casimir force

Lanyi Xie, Fuwei Yang, Bai Song

Isotopic dependence of the Casimir force is key to probing new physics and pushing novel technologies at the micro and nanoscale, but is largely unexplored. In 2002, an isotope eff…

cond-mat.mes-hall2022★ 12 cited

Isotope effect on radiative thermal transport

Lanyi Xie, Bai Song

Isotope effects on heat conduction and convection have been known for decades. However, whether thermal radiation can be isotopically engineered remains an open question. Here, we…

cond-mat.mes-hall2022★ 8 cited

Fundamental limit to the rectification of near-field heat flow: The potential of intrinsic semiconductor films

Qizhang Li, Qun Chen, Bai Song

We derive the fundamental limit to near-field radiative thermal rectification mediated by an intrinsic semiconductor film within the framework of fluctuational electrodynamics. By…

cond-mat.mes-hall2022

Strong suppression of near-field thermal transport between twisted bilayer graphene near the magic angle

Fuwei Yang, Bai Song

Twisted bilayer graphene (TBLG) has recently emerged as a versatile platform for studying a variety of exotic transport phenomena. Here, we present a theoretical study of near-fiel…

cond-mat.mes-hall2021★ 22 cited

Giant radiative thermal rectification using an intrinsic semiconductor film

Qizhang Li, Qun Chen, Bai Song

Rectification of heat flow via a thermal diode is not only of fundamental interest, but can also enable a range of novel applications in thermal management and energy conversion. H…

physics.optics2021★ 20 cited

Radiative thermal diode via hyperbolic metamaterials

Qizhang Li, Haiyu He, Qun Chen +1

Hyperbolic metamaterials (HMMs) support propagating waves with arbitrarily large wavevectors over broad spectral ranges, and are uniquely valuable for engineering radiative thermal…

physics.app-ph2021★ 34 cited

Thin-film radiative thermal diode with large rectification

Qizhang Li, Haiyu He, Qun Chen +1

We propose a mechanism to substantially rectify radiative heat flow by matching thin films of metal-to-insulator transition materials and polar dielectrics in the electromagnetic n…

cond-mat.mtrl-sci2019★ 52 cited

Optical properties of cubic boron arsenide

Bai Song, Ke Chen, Kyle Bushick +6

The ultrahigh thermal conductivity of boron arsenide makes it a promising material for next-generation electronics and optoelectronics. In this work, we report measured optical pro…

cond-mat.mes-hall2019★ 297 cited

Observation of second sound in graphite at temperatures above 100 K

Samuel Huberman, Ryan A. Duncan, Ke Chen +6

Wavelike thermal transport in solids, referred to as second sound, has until now been an exotic phenomenon limited to a handful of materials at low temperatures. This has restricte…

cond-mat.mtrl-sci2018★ 105 cited

Simultaneously high electron and hole mobilities in cubic boron-V compounds: BP, BAs and BSb

Te-Huan Liu, Bai Song, Laureen Meroueh +5

Through first-principles calculations, the phonon-limited transport properties of cubic boron-V compounds (BP, BAs and BSb) are studied. We find that the high optical phonon freque…

cond-mat.mtrl-sci2017★ 128 cited

Phonon Hydrodynamic Heat Conduction and Knudsen Minimum in Graphite

Zhiwei Ding, Jiawei Zhou, Bai Song +4

In the hydrodynamic regime, phonons drift with a nonzero collective velocity under a temperature gradient, reminiscent of viscous gas and fluid flow. The study of hydrodynamic phon…

cond-mat.mtrl-sci2017★ 17 cited

Nanostructured Polymer Films with Metal-like Thermal Conductivity

Yanfei Xu, Daniel Kraemer, Bai Song +9

Thermally conductive polymers are of fundamental interest and can also be exploited in thermal management applications. Recent studies have shown stretched polymers can achieve hig…