3 papers
cond-mat.soft2024
Microscopic dynamics of collective acoustic excitations in simple liquids
Yixin Xu, Xing Xiang, Zhigang Li +1
In this letter, we systematically investigate the microscopic dynamics of collective vibrational excitations in simple liquids. The thermodynamic states of simple liquids are unifi…
cond-mat.mtrl-sci2024
Tuning the thermal conductivity of Si membrane using nanopillars: from crystalline to amorphous pillars
Lina Yang, Yixin Xu, Xianheng Wang +1
Tuning thermal transport in nanostructures is essential for many applications, such as thermal management and thermoelectrics. Nanophononic metamaterials (NPM) have shown great pot…
cond-mat.mtrl-sci2024
Observation of Extraordinary Vibration Scatterings Induced by Strong Anharmonicity in Lead-Free Halide Double Perovskites
Guang Wang, Jiongzhi Zheng, Jie Xue +5
Lead-free halide double perovskites provide a promising solution for the long-standing issues of lead-containing halide perovskites, i.e., the toxicity of Pb and the low stability…