Ultrahigh carrier mobility and multidirectional piezoelectricity in 2D Janus copper-containing chalcogenides monolayers

Two-dimensional (2D) materials have attracted enormous research attention due to their remarkable properties and potential applications in electronic and optoelectronic devices. In this work, the Janus 2D copper-containing chalcogenides, CuP 2 Se 0.5 S 0.5 ...