32 citations · 80 across the 15 of their papers we have counts for
15 papers
Dimensionality Mismatch Enables Decoupled Heat and Charge Transport
Luman Shang, Shuming Zeng, Chenhan Liu +1
Decoupling heat and charge transport is a key challenge in thermoelectrics. Here, we identify a route to spatially separate phonon and carrier transport in quasi-one-dimensional ma…
NanoBTE: Fast Iterative Solution of the Phonon Boltzmann Transport Equation for Nanoscale Heat Transport
Hongjiang Chen, Hai-Xuan Lin, Xiaole Tian +7
Nanoscale heat dissipation has become a critical challenge in advanced semiconductor devices, where phonon transport can strongly deviate from the classical Fourier description due…
Simplified criteria for identifying and designing altermagnetic crystals in real space
Ying Chen, Qiushi Huang, Yu Wu +2
Altermagnetism is a compensated magnetic phase characterized by zero net magnetization and exchange-driven spin splitting. However, identifying altermagnets among collinear antifer…
Coupling of phase transition, anharmonicity, and thermal transport in CaSnF
Daxue Hao, Hao Huang, Geng Li +2
Understanding the coupling between structural phase transitions and thermal transport is essential for designing functional materials with tunable properties. Here, we investigate…
Rotational Soft Modes and Octahedral Distortion as Design Principles for Ultralow Thermal Conductivity in Halide Materials
Yu Wu, Luman Shang, Yufan Liu +4
We establish that ultralow lattice thermal conductivity in halide perovskites and related octahedral framework materials arises from two distinct and complementary mechanisms: (i)…
Cooperative Suppression Strategy for Dual Thermal Transport Channels in Crystalline Materials
Yu Wu, Ying Chen, Shuming Zeng +4
We propose a novel design principle for achieving ultralow thermal conductivity in crystalline materials via a "heavy-light and soft-stiff" structural motif. By combining heavy and…
Synergy of Rashba and Topological Effects for High-Performance Bismuth-Based Thermoelectrics
Lei Peng, Ruixiao Lian, Hongyu Chen +4
Band convergence is a key strategy for enhancing thermoelectric (TE) performance. Herein, we demonstrate a promising approach to enhance band convergence through inducing Rashba sp…
Decoupling Coherent and Particle-like Phonon Transport through Bonding Hierarchy in Soft Superionic Crystals
Wenjie Xiong, Hao Huang, Yu Wu +4
Within the framework of the unified theory thermal transport model, the competing contributions of coherent and incoherent terms create a trade-off relationship, posing substantial…
Decoupled anisotropic Charge-Phonon Transport Enables Exceptional n-Type Thermoelectric Performance in CuBiSCl
Yu Wu, Ying Chen, Shuming Zeng +2
First-principles calculations demonstrate an exceptional decoupling of charge and thermal transport along the \textit{a}-axis in CuBiSCl. The material achieves superior electro…
Weak Host Interactions Induced Thermal Transport Properties of Metal Halide Perovskites Deviating from the Rattling Model
Yu Wu, Linxuan Ji, Shuming Zeng +2
The low-frequency phonon branches of metal halide perovskites typically exhibit the characteristic of hardening with the increase of the cation mass, which leads to anomalous therm…
When is the Four-phonon Effect in Half-Heusler Materials more Pronounced?
Yu Wu, Shengnan Dai, Linxuan Ji +3
Suppressed three-phonon scattering processes have been considered to be the direct cause of materials exhibiting significant higher-order four-phonon interactions. However, after c…
Ultralow lattice thermal transport and considerable wave-like phonon tunneling in chalcogenide perovskite BaZrS
Yu Wu, Ying Chen, Qiaoqiao Li +4
Chalcogenide perovskites provide a promising avenue for non-toxic, stable thermoelectric materials. Here, thermal transport and thermoelectric properties of BaZrS as a typical…
Towards Accurate Predictions of Carrier Mobilities and Thermoelectric Performances in 2D Materials
Yu Wu, Bowen Hou, Ying Chen +9
The interactions between electrons and lattice vibrational modes play the key role in determining the carrier transport properties, thermoelectric performance and other physical qu…
Effects of intervalley scatterings in thermoelectric performance of band-convergent antimonene
Yu Wu, Bowen Hou, Congcong Ma +10
The strategy of band convergence of multi-valley conduction bands or multi-peak valence bands has been widely used to search or improve thermoelectric materials. However, the phono…
Application of compact TiO layer fabricated by pulsed laser deposition in organometal trihalide perovskite solar cells
Hao Zhang, Hong Wang, Meiyang Ma +3
Organometal trihalide perovskite solar cells have been rapidly developed and attracted much attention in recent years due to their high photoelectric conversion efficiency and low…