First-principles prediction of ferroelectric Janus Si<sub>2</sub>XY (X/Y = S/Se/Te, X ≠ Y) monolayers with negative Poisson's ratios
Yunlai Zhu, Zihan Qu, Jishun Zhang, Xiaoteng Wang, Shuo Jiang, Zuyu Xu, Fei Yang, Zuheng Wu, Yuehua Dai
Abstract
). Our research not only broadens the family of 2D Janus ferroelectric materials, but also demonstrates their potential applications in nanomechanical, nanoelectronic and optoelectronic devices.
Topics & Concepts
JanusMonolayerFerroelectricityPoisson distributionMaterials scienceCondensed matter physicsNanotechnologyCrystallographyOptoelectronicsPhysicsChemistryMathematicsDielectricStatistics2D Materials and ApplicationsMXene and MAX Phase MaterialsPerovskite Materials and Applications