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4 papers · 2 filters
Phonon chirality manipulation mechanism in TMD interlayer-sliding ferroelectrics
Hao Chen, Qianqian Wang, Xukun Feng +2
As an ideal platform, both the theoretical prediction and first experimental verification of chiral phonons are based on transition-metal dichalcogenide materials. The manipulation…
Electrically Controllable Chiral Phonons in Ferroelectric Materials
Hao Chen, Weikang Wu, Kangtai Sun +2
Chiral phonons have attracted increasing attention, as they play important roles in many different systems and processes. However, a method to control phonon chirality by external…
Nonlinear phonon Hall effects in ferroelectrics: its existence and non-volatile electrical control
W. Luo, J. Y. Ji, P. Chen +4
Nonlinear Hall effects have been previously investigated in non-centrosymmetric systems for electronic systems. However, they only exist in metallic systems and are not compatible…
Hexagonal close-packed polar-skyrmion lattice in ultrathin ferroelectric PbTiO3 films
Shuai Yuan, Zuhuang Chen, Sergei Prokhorenko +7
Polar skyrmions are topologically stable, swirling polarization textures with particle-like characteristics, which hold promise for next-generation, nanoscale logic and memory. Whi…