Renewing Fundamental Understanding of Ionic Transport in Inorganic Crystalline Solid‐State Electrolytes from the Perspective of Lattice Dynamics

T Song, Y Lin, D Wang, Q Chen… - Advanced Energy …, 2024 - Wiley Online Library
Lattice dynamics has been widely employed to study various properties of crystalline
materials, by revealing the atomic vibration rules with phonon dispersion curves. Modulating …

Advances in n-type Bi2O2Se thermoelectric materials: Progress and perspective

Z Zhou, W Zhang, Y Zheng, Y Yang, B Wei, C Liu… - Materials Today …, 2023 - Elsevier
Thermoelectric technology has been an alternative for waste heat recovery due to its ability
to realize direct conversion between heat energy and electricity. As a promising n-type …

Strong phonon softening and avoided crossing in aliovalence-doped heavy-band thermoelectrics

S Han, S Dai, J Ma, Q Ren, C Hu, Z Gao, M Duc Le… - Nature Physics, 2023 - nature.com
Aliovalent do** is a way to optimize the electrical properties of semiconductors, but its
impact on the phonon structure and propagation is seldom considered properly. Here we …

Chemical Bonding Tuned Lattice Anharmonicity Leads to a High Thermoelectric Performance in Cubic AgSnSbTe3

D Sarkar, K Dolui, V Taneja, A Ahad… - Angewandte …, 2023 - Wiley Online Library
Comprehension of chemical bonding and its intertwined relation with charge carriers and
heat propagation through a crystal lattice is imperative to design compounds for …

Ultralow thermal conductivity and high ZT of Cu2Se-based thermoelectric materials mediated by TiO2− n nanoclusters

J Yu, X Liu, H Hu, Y Jiang, HL Zhuang, H Li, B Su… - Joule, 2024 - cell.com
Cu 2 Se is a promising p-type thermoelectric material for energy harvesting due to its
intrinsically low thermal conductivity arising from the liquid-like Cu ions, leaving very limited …

Design principles for sodium superionic conductors

S Wang, J Fu, Y Liu, RS Saravanan, J Luo… - Nature …, 2023 - nature.com
Motivated by the high-performance solid-state lithium batteries enabled by lithium superionic
conductors, sodium superionic conductor materials have great potential to empower sodium …

“Three‐in‐One”: A New Hg‐Based Selenide Hg7P2Se12 Exhibiting Wide Infrared Transparency Range and Strong Nonlinear Optical Effect

Y Chu, H Wang, Q Chen, X Su, Z Chen… - Advanced Functional …, 2024 - Wiley Online Library
The exploration of high‐performance mid‐and far‐infrared (IR) nonlinear optical (NLO)
crystals is an urgent need. Herein, a new Hg‐based selenide Hg7P2Se12 (HPSe) is …

Untangling high-temperature thermal expansion and lattice thermal conductivity behavior of vanadium using machine-learned molecular dynamics

S Malgope, MK Gupta, S Bag, R Mittal, S Bhattacharya… - Physical Review B, 2024 - APS
Vanadium metal is extensively used in modern technology, especially in the alloy and steel
industry; it exhibits anomalous thermal expansion behavior across the entire temperature …

Strong low-energy rattling modes enabled liquid-like ultralow thermal conductivity in a well-ordered solid

PF Liu, X Li, J Li, J Zhu, Z Tong, M Kofu… - National Science …, 2024 - academic.oup.com
Crystalline solids exhibiting inherently low lattice thermal conductivity (κ L) are of great
importance in applications such as thermoelectrics and thermal barrier coatings. However, κ …

Distinct anharmonic characteristics of phonon-driven lattice thermal conductivity and thermal expansion in bulk MoSe 2 and WSe 2

MK Gupta, S Kumar, R Mittal, SK Mishra… - Journal of Materials …, 2023 - pubs.rsc.org
Using inelastic neutron scattering and X-ray diffraction measurements, together with ab initio
and machine-learning molecular dynamics simulations, we bring out the distinct nature of …