Nucleation and Antiphase Twin Control in Bi${}_2$Se${}_3$ via Step-Terminated Al${}_2$O${}_3$ Substrates

Alessandro R. Mazza, Jia Shi, Gabriel A. Vázquez-Lizardi +18

The epitaxial synthesis of high-quality 2D layered materials is an essential driver of both fundamental physics studies and technological applications. Bi${}_2$Se${}_3$, a prototypical…