Monolayer polar metals with large piezoelectricity derived from MoSi<sub>2</sub>N<sub>4</sub>
Yan Yin, Qihua Gong, Min Yi, Wanlin Guo
Abstract
Four kinds of polar and metallic Janus monolayers derived from MoSi 2 N 4 are for the first time reported to show large out-of-plane piezoelectric coefficients, owing to the weak coupling between electric polarity and metallicity.
Topics & Concepts
PiezoelectricityPolarMonolayerJanusMaterials sciencePolarity (international relations)MetallicityCondensed matter physicsMetalCoupling (piping)Chemical physicsNanotechnologyChemistryComposite materialMetallurgyPhysicsAstronomyBiochemistryStarsCell2D Materials and ApplicationsAcoustic Wave Resonator TechnologiesMXene and MAX Phase Materials