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cond-mat.mes-hall2019
Violation of Fourier's law in homogeneous systems
Chuang Zhang, Dengke Ma, Manyu Shang +5
Hotspot is a ubiquitous phenomenon in microdevices/chips. In homogeneous nanoscale graphene disk with a hotspot, a graded thermal conductivity is observed previously even when the…
cond-mat.mtrl-sci2019
Anharmonic inter-layer bonding leads to intrinsically low thermal conductivity of bismuth oxychalcogenides
Hong-Yue Song, Xu-Jin Ge, Man-Yu Shang +1
The anharmonicity of phonons in solid is ultimately rooted in the chemical bonding. However, the direct connection between phonon anharmoncity and chemical bonding is difficult to…