8 papers
Polarization Rotation Drives a Spin-Topological Transition in Ferroelectric Bismuth Monolayer
Jinming Zhai, Lingzhi Cao, Yateng Wang +4
Bismuth monolayer is the first two-dimensional elemental ferroelectric and an appealing platform for coupling polar order to spin-orbit-driven topology. However, its microscopic sw…
Hidden Chiral Ferroelectricity in AgNbO Perovskite
Ying Song, Lingzhi Cao, Jinming Zhai +4
AgNbO is a lead-free perovskite with considerable potential for energy storage and optoelectronic applications, yet its low-temperature crystal structure has remained controver…
Majorana Zero Modes and Topological Nature in Bi2Ta3S6-family Superconductors
Yue Xie, Zhilong Yang, Ruihan Zhang +7
In this work, we report that Bi2Ta3S6-family superconductors exhibit nontrivial band topology. They possess a natural quantum-well structure consisting of alternating stacks of TaS…
Growth and hydrostatic-pressure study of a type-II superconductor BiTaS single crystal
Li Chenglin, Yang Yaling, Yang Zhilong +9
We report the growth and physical properties of single-crystalline BiTaS crystallizing in space group, which comprises alternating Ta-S layers and Bi layers…
Hidden Moiré Topology of Low-Symmetry Weyl Surfaces
Cong Li, Zhilong Yang, Hongxiong Liu +11
Topological materials are defined by the correspondence between bulk topology and boundary states, yet this correspondence becomes enigmatic on low-symmetry surfaces where bulk and…
Strong Intra- and Interchain Orbital Coupling Leads to Multiband and High Thermoelectric Performance in NaAu ( = P, As, Sb, and Bi)
Zhonghao Xia, Zhilong Yang, Yali Yang +2
The intrinsic coupling among electrical conductivity (), Seebeck coefficient (), and lattice thermal conductivity () imposes a fundamental limit on the dime…