Thermal energy transport in oxide nuclear fuel
To efficiently capture the energy of the nuclear bond, advanced nuclear reactor concepts
seek solid fuels that must withstand unprecedented temperature and radiation extremes. In …
seek solid fuels that must withstand unprecedented temperature and radiation extremes. In …
Survey of ab initio phonon thermal transport
The coupling of lattice dynamics and phonon transport methodologies with density
functional theory has become a powerful tool for calculating lattice thermal conductivity (κ) …
functional theory has become a powerful tool for calculating lattice thermal conductivity (κ) …
Four-phonon scattering significantly reduces intrinsic thermal conductivity of solids
For decades, the three-phonon scattering process has been considered to govern thermal
transport in solids, while the role of higher-order four-phonon scattering has been …
transport in solids, while the role of higher-order four-phonon scattering has been …
First-principles calculations of the ultralow thermal conductivity in two-dimensional group-IV selenides
Through first-principles calculations, we report on the phonon-limited transport properties of
two-dimensional (2D) hexagonal MSe (M= Ge, Sn, and Pb) compounds, which can be seen …
two-dimensional (2D) hexagonal MSe (M= Ge, Sn, and Pb) compounds, which can be seen …
Reduced anharmonic phonon scattering cross-section slows the decrease of thermal conductivity with temperature
Without anharmonic phonon scattering, crystals could have infinite or “super” intrinsic bulk
thermal conductivity. Anharmonic phonon scattering rates usually increase with temperature …
thermal conductivity. Anharmonic phonon scattering rates usually increase with temperature …
Revealing the Origin of Anisotropic Rashba Spin‐Orbital Splitting and Four‐Phonon Scattering in Strontium‐Tin‐Selenium Thermoelectrics
Inspired by the remarkable performance of SnSe‐based compounds in thermoelectrics, a
strontium‐tin‐selenium (SrSnSe2) compound is theoretically designed, observing …
strontium‐tin‐selenium (SrSnSe2) compound is theoretically designed, observing …
Thermal transport in disordered materials
We review the status of research on thermal/phonon transport in disordered materials. The
term disordered materials is used here to encompass both structural and compositional …
term disordered materials is used here to encompass both structural and compositional …
Critical phonon frequency renormalization and dual phonon coexistence in layered Ruddlesden-Popper inorganic perovskites
Phonon-related behaviors such as hot-carrier bottleneck and thermooptic coefficients
stimulate the study of lattice dynamics and thermal conductivity (κ) in perovskites. Herein, we …
stimulate the study of lattice dynamics and thermal conductivity (κ) in perovskites. Herein, we …
Antibonding induced anharmonicity leading to ultralow lattice thermal conductivity and extraordinary thermoelectric performance in CsK 2 X (X= Sb, Bi)
Full Heusler compounds have long been discovered as exceptional n-type thermoelectric
materials. However, no p-type compounds could match the high n-type figure of merit (ZT). In …
materials. However, no p-type compounds could match the high n-type figure of merit (ZT). In …
First-principles prediction of the lattice thermal conductivity of two-dimensional (2D) h-BX (X= P, As, Sb) considering the effects of fourth-order and all-order scattering
Recently, cubic boron arsenide (c-BAs) has attracted global attention due to its higher lattice
thermal conductivity ( κ L), which is comparable to diamond, and excellent thermal …
thermal conductivity ( κ L), which is comparable to diamond, and excellent thermal …