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20212024
most citedUnravelling Ultralow Thermal Conductivity in Double Perovskite Cs2AgBiBr6: Dominant Wave-like Phonon Tunnelling, Strong Quartic Anharmonicity and Lattice Instability

116 citations · 180 across the 9 of their papers we have counts for

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6 papers · 1 filter

cond-mat.mtrl-sci2024★ 11 cited

Ineffectiveness of Formamidine in Suppressing Ultralow Thermal Conductivity in Cubic Hybrid Perovskite FAPbI3

Jiongzhi Zheng, Zheng Chang, Changpeng Lin +5

Fundamentally understanding the lattice dynamics and microscopic mechanisms of thermal transport in cubic hybrid organic-inorganic perovskites remains elusive, primarily due to the…

cond-mat.mtrl-sci2024★ 23 cited

Machine learning for predicting ultralow thermal conductivity and high ZT in complex thermoelectric materials

Yuzhou Hao, Yuting Zuo, Jiongzhi Zheng +7

Efficient and precise calculations of thermal transport properties and figure of merit, alongside a deep comprehension of thermal transport mechanisms, are essential for the practi…

cond-mat.mtrl-sci2024★ 23 cited

Ultra-low glassy thermal conductivity and controllable, promising thermoelectric properties in crystalline o-CsCu5S3

Jincheng Yue, Jiongzhi Zheng, Junda Li +5

We thoroughly investigate the microscopic mechanisms of the thermal transport in orthorhombic \textit{o}-CsCuS by integrating the first-principles-based self-consistent pho…

cond-mat.mtrl-sci2023★ 3 cited

Wave-like Tunneling of Phonons Dominates Glass-like Thermal Transport in Quasi-1D Copper Halide CsCu2I3

Jiongzhi Zheng, Changpeng Lin, Chongjia Lin +3

Fundamental understanding of thermal transport in compounds with ultra-low thermal conductivity remains challenging, primarily due to the limitations of conventional lattice dynami…

cond-mat.mtrl-sci2023★ 116 cited

Unravelling Ultralow Thermal Conductivity in Double Perovskite Cs2AgBiBr6: Dominant Wave-like Phonon Tunnelling, Strong Quartic Anharmonicity and Lattice Instability

Jiongzhi Zheng, Changpeng Lin, Chongjia Lin +3

In this work, we investigate the microscopic mechanisms of anharmonic lattice dynamics and thermal transport in lead-free halide double perovskite Cs2AgBiBr6 from first principles.…

cond-mat.mtrl-sci2022

Machine Learning Interatomic Potential for Anisotropic Thermal Transport in Bulk Hexagonal Boron Nitride

Jialin Tang, Qi Wang, Jiongzhi Zheng +2

The highly anisotropic thermal conductivity in layered materials is crucial for a broad range of applications such as thermal management of electronic devices, thermal insulation,…