Phonon-engineered extreme thermal conductivity materials

X Qian, J Zhou, G Chen - Nature Materials, 2021 - nature.com
Materials with ultrahigh or low thermal conductivity are desirable for many technological
applications, such as thermal management of electronic and photonic devices, heat …

Non-Fourier phonon heat conduction at the microscale and nanoscale

G Chen - Nature Reviews Physics, 2021 - nature.com
The description of phonon heat conduction has typically been based on Fourier diffusion
theory. However, over the past three decades, a host of interesting phonon transport …

High ambipolar mobility in cubic boron arsenide

J Shin, GA Gamage, Z Ding, K Chen, F Tian, X Qian… - Science, 2022 - science.org
Semiconductors with high thermal conductivity and electron-hole mobility are of great
importance for electronic and photonic devices as well as for fundamental studies. Among …

[HTML][HTML] Nanoscale thermal transport. II. 2003–2012

DG Cahill, PV Braun, G Chen, DR Clarke… - Applied physics …, 2014 - pubs.aip.org
A diverse spectrum of technology drivers such as improved thermal barriers, higher
efficiency thermoelectric energy conversion, phase-change memory, heat-assisted magnetic …

A review of simulation methods in micro/nanoscale heat conduction

H Bao, J Chen, X Gu, B Cao - ES Energy & Environment, 2018 - espublisher.com
Significant progress has been made in the past two decades about the micro/nanoscale
heat conduction. Many computational methods have been developed to accommodate the …

Observation of second sound in graphite at temperatures above 100 K

S Huberman, RA Duncan, K Chen, B Song, V Chiloyan… - Science, 2019 - science.org
Wavelike thermal transport in solids, referred to as second sound, is an exotic phenomenon
previously limited to a handful of materials at low temperatures. The rare occurrence of this …

Tutorial: Time-domain thermoreflectance (TDTR) for thermal property characterization of bulk and thin film materials

P Jiang, X Qian, R Yang - Journal of Applied Physics, 2018 - pubs.aip.org
Measuring thermal properties of materials is not only of fundamental importance in
understanding the transport processes of energy carriers (electrons and phonons in solids) …

Broadband phonon mean free path contributions to thermal conductivity measured using frequency domain thermoreflectance

KT Regner, DP Sellan, Z Su, CH Amon… - Nature …, 2013 - nature.com
Non-metallic crystalline materials conduct heat by the transport of quantized atomic lattice
vibrations called phonons. Thermal conductivity depends on how far phonons travel …

Lattice vibrational modes and phonon thermal conductivity of monolayer MoS

Y Cai, J Lan, G Zhang, YW Zhang - Physical Review B, 2014 - APS
The anharmonic behavior of phonons and intrinsic thermal conductivity associated with the
umklapp scattering in monolayer MoS 2 sheet are investigated via first-principles …

Progress and prospects in nonlinear extreme-ultraviolet and X-ray optics and spectroscopy

M Chergui, M Beye, S Mukamel, C Svetina… - Nature Reviews …, 2023 - nature.com
Free-electron lasers and high-harmonic-generation table-top systems are new sources of
extreme-ultraviolet to hard X-ray photons, providing ultrashort pulses that are intense …