activity
20142021
most citedPhonon anharmonicity and negative thermal expansion in SnSe

115 citations · 294 across the 10 of their papers we have counts for

collaborators

10 papers

cond-mat.mtrl-sci2021

Regulate the direct-indirect electronic band gap transition by electron-phonon interaction in BaSnO3

Binru Zhao, Qing Huang, Jiangtao Wu +13

The neutron powder diffraction, specific heat, thermal conductivity, and Raman scattering measurements were presented to study the interplays of lattice, phonons and electrons of t…

cond-mat.mtrl-sci2021★ 76 cited

Phonon anharmonicity: a pertinent review of recent progress and perspective

Bin Wei, Qiyang Sun, Chen Li +1

Anharmonic lattice vibrations govern the thermal dynamics in materials and present how the atoms interact and how they conduct heat. An indepth understanding of the microscopic mec…

cond-mat.mtrl-sci2021

Direct Observation of Chiral Phonons by Inelastic X-ray Scattering

Qingan Cai, Olle Hellman, Bin Wei +5

Phonon chirality has attracted intensive attention since it breaks the traditional cognition that phonons are linear propagating bosons. This new quasiparticle property has been ex…

cond-mat.mtrl-sci2021★ 9 cited

Neutron Scattering Signature of Phonon Renormalization in Nickel (II) Oxide

Qiyang Sun, Bin Wei, Yaokun Su +4

The physics of mutual interaction of phonon quasiparticles with electronic spin degrees of freedom, leading to unusual transport phenomena of spin and heat, has been a subject of c…

cond-mat.mtrl-sci2021

Frustration-induced diffusive scattering anomaly and dimension change in

Yaokun Su, Hillary L. Smith, Matthew B. Stone +4

Magnetic frustration, arising from the competition of exchange interactions, has received great attention because of its relevance to exotic quantum phenomena in materials. In the…

cond-mat.mtrl-sci2021★ 29 cited

Giant Anisotropic in-Plane Thermal Conduction Induced by Anomalous Phonons in Nearly-Equilaterally Structured PdSe2

Bin Wei, Junyan Liu, Qingan Cai +4

In two-dimensional materials, structure difference induces the difference in phonon dispersions, leading to the anisotropy of in-plane thermal transport. Here, we report an excepti…

cond-mat.mtrl-sci2021★ 9 cited

Matryoshka Phonon Twinning in alpha-GaN

Bin Wei, Qingan Cai, Qiyang Sun +5

Understanding lattice dynamics is crucial for effective thermal management in high-power electronic devices because phonons dominate thermal transport in most semiconductors. This…

cond-mat.mtrl-sci2016★ 115 cited

Phonon anharmonicity and negative thermal expansion in SnSe

Dipanshu Bansal, Jiawang Hong, Chen W. Li +5

The anharmonic phonon properties of SnSe in the Pnma phase were investigated with a combination of experiments and first-principles simulations. Using inelastic neutron scattering…

cond-mat.mtrl-sci2015★ 22 cited

Electron-phonon coupling and thermal transport in the thermoelectric compound

Dipanshu Bansal, Chen W. Li, Ayman H. Said +3

Phonon properties of (), a potential high-temperature thermoelectric material, have been studied with inelastic neutron and x-ray scatteri…

cond-mat.mtrl-sci2014★ 34 cited

Anharmonic lattice dynamics of AgO studied by inelastic neutron scattering and first principles molecular dynamics simulations

Tian Lan, Chen W. Li, J. L. Niedziela +4

Inelastic neutron scattering measurements on silver oxide (AgO) with the cuprite structure were performed at temperatures from 40 to 400\,K, and Fourier transform far-infrared…